The head prevents these bushings from being pushed through the jig when drilling pressure is extreme. The head sits above the jig plate or can be mounted flush by installing in a counterbored hole. Drill bushings can also be used as spacers, shims, and machinery bushings.

Don't see the size you need? Additional sizes are available.

3D CAD models availableFor technical drawings and 3-D models, click on a part number.

Head

Tolerance

Each

OD Lg. For Drill

Bit Size OD Thick. ID OD Lg. Drill Bushing

Type Material Hardness 1-5 6-11 12-Up

0.0135" ID

5/32" 1/4" No. 80 1/4" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A129 $30.63 $26.04 $23.00

5/32" 5/16" No. 80 1/4" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A136 31.55 26.81 23.68

5/32" 3/8" No. 80 1/4" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A137 32.37 27.51 24.29

5/32" 1/2" No. 80 1/4" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A138 32.61 27.70 24.46

0.086" ID

13/64" 1/4" No. 44 19/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A001 14.56 12.36 10.92

0.089" ID

13/64" 1/4" No. 43 19/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A002 14.56 12.36 10.92

0.0938" ID

13/64" 1/4" 3/32" 19/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A003 14.56 12.36 10.92

13/64" 3/8" 3/32" 19/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A013 15.81 13.44 11.85

13/64" 1/2" 3/32" 19/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A023 16.16 13.73 12.11

0.098" ID

1/4" 1/4" No. 40 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A031 13.20 11.22 9.89

1/4" 1/2" No. 40 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A051 14.56 12.36 10.92

0.1015" ID

1/4" 1/4" No. 38 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A015 14.74 12.52 11.04

1/4" 1/2" No. 38 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A016 17.14 14.56 12.85

0.1094" ID

1/4" 1/4" 7/64" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A033 12.61 10.71 9.45

1/4" 1/2" 7/64" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A053 14.56 12.36 10.92

0.125" ID

1/4" 1/4" 1/8" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A034 12.05 10.23 9.03

1/4" 3/8" 1/8" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A044 14.15 12.01 10.60

1/4" 1/2" 1/8" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A054 14.56 12.36 10.92

1/4" 3/4" 1/8" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A056 18.02 15.30 13.50

1/4" 1" 1/8" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A017 27.11 23.01 20.31

5/16" 3/8" 1/8" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A061 11.67 9.91 8.74

5/16" 1/2" 1/8" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A071 11.98 10.18 8.99

5/16" 3/4" 1/8" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A081 12.45 10.56 9.32

0.1285" ID

1/4" 1/4" No. 30 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A371 17.46 14.82 13.08

1/4" 3/8" No. 30 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A046 14.15 12.01 10.60

0.136" ID

1/4" 1/4" No. 29 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A032 13.20 11.22 9.89

1/4" 3/8" No. 29 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A042 14.15 12.01 10.60

1/4" 1/2" No. 29 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A052 14.56 12.36 10.92

5/16" 1" No. 29 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A323 16.63 14.11 12.47

0.1406" ID

1/4" 1/4" 9/64" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A035 12.61 10.71 9.45

1/4" 3/8" 9/64" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A045 14.15 12.01 10.60

1/4" 1/2" 9/64" 23/64" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A055 14.56 12.36 10.92

0.1495" ID

5/16" 1/4" No. 25 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A018 12.30 10.45 9.21

5/16" 1/2" No. 25 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A019 13.91 11.80 10.42

0.1563" ID

5/16" 3/8" 5/32" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A062 11.67 9.91 8.74

5/16" 1/2" 5/32" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A072 11.98 10.18 8.99

5/16" 3/4" 5/32" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A082 12.45 10.56 9.32

0.159" ID

5/16" 3/8" No. 21 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A372 16.44 13.96 12.33

0.166" ID

5/16" 1/4" No. 19 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A021 12.30 10.45 9.21

5/16" 1/2" No. 19 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A022 13.91 11.80 10.42

0.1719" ID

5/16" 3/8" 11/64" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A024 13.73 11.66 10.29

0.18" ID

5/16" 1/4" No. 15 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A126 13.67 11.59 10.24

0.1875" ID

5/16" 1/4" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A373 14.29 12.12 10.70

5/16" 5/16" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A185 13.86 11.77 10.40

5/16" 3/8" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A374 16.44 13.96 12.33

5/16" 1/2" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A058 11.98 10.18 8.99

5/16" 3/4" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A375 17.35 14.73 13.00

5/16" 1" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A401 23.80 20.21 17.83

5/16" 1 3/8" 3/16" 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A402 35.23 29.90 26.40

13/32" 1/4" 3/16" 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A148 11.87 10.09 8.91

13/32" 3/8" 3/16" 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A169 12.38 10.52 9.29

13/32" 1/2" 3/16" 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A178 13.88 11.79 10.41

13/32" 3/4" 3/16" 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A179 14.70 12.48 11.03

13/32" 1" 3/16" 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A182 17.51 14.88 13.14

13/32" 1 3/8" 3/16" 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A183 19.66 16.70 14.75

1/2" 1/4" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A151 8.96 7.60 6.70

1/2" 5/16" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A186 12.38 10.52 9.29

1/2" 3/8" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A161 10.91 9.26 8.17

1/2" 1/2" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A171 10.35 8.79 7.76

1/2" 3/4" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A403 14.07 11.95 10.55

1/2" 1" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A404 16.77 14.22 12.55

1/2" 1 3/8" 3/16" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A187 19.66 16.70 14.75

Head

Tolerance

Each

OD Lg. For Drill

Bit Size OD Thick. ID OD Lg. Drill Bushing

Type Material Hardness 1-5 6-11 12-Up

0.1935" ID

5/16" 3/8" No. 10 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A063 $11.70 $9.94 $8.77

5/16" 1/2" No. 10 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A073 11.98 10.18 8.99

3/8" 3/8" No. 10 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A004 11.82 10.04 8.86

3/8" 1/2" No. 10 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A006 11.81 10.03 8.85

0.199" ID

5/16" 1/4" No. 8 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A025 61.22 51.98 45.87

5/16" 1/2" No. 8 27/64" 1/8" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A026 54.32 46.12 40.72

0.201" ID

3/8" 3/8" No. 7 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A091 10.91 9.26 8.17

3/8" 1/2" No. 7 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A101 10.98 9.32 8.23

1/2" 1/4" No. 7 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A152 9.59 8.14 7.18

1/2" 3/8" No. 7 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A162 10.91 9.26 8.17

1/2" 1/2" No. 7 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A172 10.98 9.32 8.23

0.2031" ID

1/2" 1/4" 13/64" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A153 9.59 8.14 7.18

1/2" 3/8" 13/64" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A163 10.91 9.26 8.17

1/2" 1/2" 13/64" 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A173 10.98 9.32 8.23

0.204" ID

13/32" 1/2" No. 6 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A105 20.40 17.32 15.30

0.213" ID

3/8" 1/2" No. 3 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A104 10.98 9.32 8.23

3/8" 3/4" No. 3 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A027 13.73 11.66 10.29

3/8" 1" No. 3 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A028 16.41 13.93 12.30

0.2188" ID

3/8" 1/4" 7/32" 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A059 9.02 7.68 6.76

3/8" 3/8" 7/32" 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A092 10.28 8.73 7.70

3/8" 1/2" 7/32" 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A102 10.98 9.32 8.23

3/8" 3/4" 7/32" 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A112 11.67 9.91 8.74

0.221" ID

3/8" 1/2" No. 2 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A029 12.96 11.00 9.71

3/8" 3/4" No. 2 1/2" 3/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A036 13.73 11.66 10.29

0.25" ID

13/32" 1/4" 1/4", E 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A065 10.37 8.83 7.76

13/32" 3/8" 1/4", E 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A005 9.49 8.06 7.09

13/32" 1/2" 1/4", E 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A066 10.38 8.82 7.76

13/32" 3/4" 1/4", E 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A119 22.35 18.95 16.73

13/32" 1" 1/4", E 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A405 16.77 14.22 12.55

13/32" 1 3/8" 1/4", E 1/2" 5/32" 0.0001" to 0.0004" 0.0013" to 0.0016" -0.015" to 0.015" H Steel Rockwell C61 8492A406 17.55 14.91 13.16

7/16" 1/4" 1/4", E 9/16" 3/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A407 11.42 9.71 8.57

7/16" 5/16" 1/4", E 9/16" 3/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A135 19.88 16.85 14.87

7/16" 3/8" 1/4", E 9/16" 3/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A121 10.28 8.73 7.70

7/16" 1/2" 1/4", E 9/16" 3/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A131 10.35 8.79 7.76

7/16" 3/4" 1/4", E 9/16" 3/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A141 11.67 9.91 8.74

7/16" 1" 1/4", E 9/16" 3/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A133 13.87 11.78 10.39

1/2" 1/4" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A154 8.96 7.60 6.70

1/2" 5/16" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A078 18.80 15.93 14.06

1/2" 3/8" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A164 10.91 9.26 8.17

1/2" 1/2" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A174 10.35 8.79 7.76

1/2" 3/4" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A181 11.67 9.91 8.74

1/2" 1" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A191 13.91 11.81 10.42

1/2" 1 3/8" 1/4", E 39/64" 7/32" 0.0001" to 0.0004" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A201 15.02 12.76 11.25

0.257" ID

1/2" 1/4" F 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A155 9.59 8.14 7.18

1/2" 3/8" F 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A165 10.91 9.26 8.17

1/2" 1/2" F 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A175 10.98 9.32 8.23

0.2656" ID

7/16" 3/8" 17/64" 9/16" 3/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A122 10.91 9.26 8.17

7/16" 1/2" 17/64" 9/16" 3/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A132 10.98 9.32 8.23

1/2" 1/2" 17/64" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A064 8.60 7.31 6.43

0.2813" ID

1/2" 1/4" 9/32" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A156 9.59 8.14 7.18

1/2" 3/8" 9/32" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A166 10.91 9.26 8.17

1/2" 1/2" 9/32" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A176 10.98 9.32 8.23

Head

Tolerance

Each

OD Lg. For Drill

Bit Size OD Thick. ID OD Lg. Drill Bushing

Type Material Hardness 1-5 6-11 12-Up

0.3125" ID

1/2" 7/32" 5/16" 5/8" 3/32" 0.0001" to 0.0006" 0.0014" to 0.0017" -0.01" to 0.01" HL Steel Rockwell C61 31435A011 $11.43 $9.71 $8.57

1/2" 1/4" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A157 8.96 7.60 6.70

1/2" 9/32" 5/16" 5/8" 3/32" 0.0001" to 0.0006" 0.0014" to 0.0017" -0.01" to 0.01" HL Steel Rockwell C61 31435A013 11.77 9.99 8.82

1/2" 5/16" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A079 18.80 15.93 14.06

1/2" 3/8" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A167 10.35 8.79 7.76

1/2" 13/32" 5/16" 5/8" 3/32" 0.0001" to 0.0006" 0.0014" to 0.0017" -0.01" to 0.01" HL Steel Rockwell C61 31435A015 11.76 9.99 8.82

1/2" 1/2" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A177 10.35 8.79 7.76

1/2" 21/32" 5/16" 5/8" 3/32" 0.0001" to 0.0006" 0.0014" to 0.0017" -0.01" to 0.01" HL Steel Rockwell C61 31435A016 12.21 10.37 9.15

1/2" 3/4" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A158 11.04 9.38 8.28

1/2" 1" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A159 13.80 11.72 10.34

1/2" 1 3/8" 5/16" 39/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A168 15.92 13.52 11.93

5/8" 1/4" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A211 10.91 9.26 8.17

5/8" 5/16" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A083 18.10 15.35 13.54

5/8" 3/8" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A221 9.90 8.40 7.42

5/8" 1/2" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A231 9.90 8.40 7.42

5/8" 3/4" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A206 10.91 9.26 8.17

5/8" 1" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A084 22.35 18.95 16.73

5/8" 1 3/8" 5/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A085 29.90 25.33 22.37

3/4" 1/4" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A086 22.35 18.95 16.73

3/4" 5/16" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A087 19.88 16.85 14.87

3/4" 3/8" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A088 20.61 17.46 15.43

3/4" 1/2" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A089 20.61 17.46 15.43

3/4" 5/8" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A093 21.35 18.10 15.97

3/4" 3/4" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A094 22.35 18.95 16.73

3/4" 1" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A095 23.90 20.24 17.88

3/4" 1 1/4" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A096 30.69 26.01 22.96

3/4" 1 3/8" 5/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A097 30.69 26.01 22.96

0.3281" ID

5/8" 1/4" 21/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A212 10.91 9.26 8.17

5/8" 3/8" 21/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A222 9.90 8.40 7.42

5/8" 1/2" 21/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A232 9.90 8.40 7.42

5/8" 5/8" 21/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A008 11.78 10.01 8.83

5/8" 3/4" 21/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A207 10.91 9.26 8.17

0.3438" ID

5/8" 1/4" 11/32" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A213 10.91 9.26 8.17

5/8" 1/2" 11/32" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A233 9.90 8.40 7.42

0.3594" ID

5/8" 3/4" 23/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A241 10.91 9.26 8.17

0.375" ID

5/8" 1/4" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A214 10.28 8.73 7.70

5/8" 5/16" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A007 10.35 8.80 7.75

5/8" 3/8" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A224 9.47 8.05 7.10

5/8" 1/2" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A234 9.47 8.05 7.10

5/8" 5/8" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A377 15.13 12.84 11.33

5/8" 3/4" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A242 10.28 8.73 7.70

5/8" 1" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A252 11.67 9.91 8.74

5/8" 1 3/8" 3/8" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A262 16.12 13.72 12.07

3/4" 1/2" 3/8" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A271 12.01 10.22 8.99

3/4" 3/4" 3/8" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A281 12.90 10.97 9.66

3/4" 1 3/8" 3/8" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A291 17.78 15.09 13.31

0.3906" ID

5/8" 1/4" 25/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A127 14.16 12.00 10.60

5/8" 1/2" 25/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A068 13.07 11.09 9.79

5/8" 3/4" 25/64" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A069 12.97 11.01 9.71

3/4" 1/2" 25/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A009 11.80 10.02 8.84

0.4063" ID

5/8" 3/8" 13/32" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A113 9.37 7.97 7.01

5/8" 1/2" 13/32" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A324 11.15 9.46 8.36

5/8" 3/4" 13/32" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A351 11.95 10.17 8.95

0.4375" ID

5/8" 1/4" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A215 10.91 9.26 8.17

5/8" 3/8" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A225 9.90 8.40 7.42

5/8" 1/2" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A235 9.90 8.40 7.42

5/8" 5/8" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A108 20.61 17.46 15.43

5/8" 3/4" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A243 10.91 9.26 8.17

5/8" 1" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A253 11.67 9.91 8.74

5/8" 1 3/8" 7/16" 51/64" 7/32" 0.0001" to 0.0005" 0.0014" to 0.0017" -0.015" to 0.015" H Steel Rockwell C61 8492A109 29.90 25.33 22.37

3/4" 1/4" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A134 22.35 18.95 16.73

3/4" 5/16" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A111 19.88 16.85 14.87

3/4" 3/8" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A266 20.61 17.46 15.43

3/4" 1/2" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A014 10.24 8.71 7.68

3/4" 5/8" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A117 21.35 18.10 15.97

3/4" 3/4" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A037 13.73 11.66 10.29

3/4" 1" 7/16" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A118 23.90 20.24 17.88

0.4531" ID

3/4" 1/2" 29/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A272 11.18 9.51 8.36

3/4" 3/4" 29/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A282 12.90 10.97 9.66

3/4" 1 3/8" 29/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A292 17.78 15.09 13.31

0.4844" ID

3/4" 1/2" 31/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A273 12.01 10.22 8.99

3/4" 1" 31/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A279 13.97 11.89 10.45

0.5" ID

3/4" 1/4" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A038 10.80 9.20 8.09

3/4" 3/8" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A378 11.90 10.12 8.90

3/4" 1/2" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A274 10.55 8.97 7.89

3/4" 5/8" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A379 12.42 10.57 9.29

3/4" 21/32" 1/2" 7/8" 3/32" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A211 12.63 10.72 9.46

3/4" 3/4" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A284 11.38 9.68 8.52

3/4" 29/32" 1/2" 7/8" 3/32" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A213 14.57 12.39 10.93

3/4" 1" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A287 12.27 10.44 9.18

3/4" 1 1/4" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A039 14.91 12.69 11.16

3/4" 1 9/32" 1/2" 7/8" 3/32" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A215 17.04 14.49 12.79

3/4" 1 3/8" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A294 16.61 14.14 12.43

3/4" 1 1/2" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A115 15.95 13.57 11.94

3/4" 1 3/4" 1/2" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A381 21.72 18.49 16.25

7/8" 1/2" 1/2" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A408 18.99 16.12 14.23

7/8" 5/8" 1/2" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A189 16.66 14.17 12.51

7/8" 3/4" 1/2" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A041 12.90 10.98 9.66

7/8" 1" 1/2" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A409 20.52 17.43 15.38

1" 1/2" 1/2" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A411 17.42 14.79 13.05

1" 1" 1/2" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A192 19.15 16.29 14.37

1" 1 3/8" 1/2" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A193 21.34 18.13 16.01

1" 1 3/4" 1/2" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A325 22.53 19.13 16.87

Head

Tolerance

Each

OD Lg. For Drill

Bit Size OD Thick. ID OD Lg. Drill Bushing

Type Material Hardness 1-5 6-11 12-Up

0.5156" ID

3/4" 1/2" 33/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A275 $11.18 $9.51 $8.36

3/4" 3/4" 33/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A285 12.90 10.97 9.66

3/4" 1" 33/64" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A288 13.97 11.89 10.45

0.5313" ID

3/4" 1/2" 17/32" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A276 12.01 10.22 8.99

3/4" 3/4" 17/32" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A286 12.90 10.97 9.66

3/4" 1" 17/32" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A289 13.97 11.89 10.45

0.5469" ID

7/8" 1/2" 35/64" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A116 14.49 12.32 10.84

0.5625" ID

7/8" 1/2" 9/16" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A326 14.49 12.32 10.84

0.625" ID

3/4" 1" 5/8" 59/64" 7/32" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A327 17.74 15.05 13.29

7/8" 1/2" 5/8" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A297 13.39 11.40 10.02

7/8" 5/8" 5/8" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A123 19.98 16.99 14.95

7/8" 3/4" 5/8" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A298 13.67 11.64 10.23

7/8" 1" 5/8" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A299 14.20 12.08 10.62

7/8" 1 1/4" 5/8" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A303 12.78 10.88 9.57

7/8" 1 3/8" 5/8" 1 7/64" 1/4" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A124 25.57 21.77 19.15

1" 1/2" 5/8" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A098 20.14 17.15 15.08

1" 3/4" 5/8" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A265 19.82 16.88 14.85

1" 1" 5/8" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A106 22.01 18.73 16.48

1" 1 3/8" 5/8" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A107 23.56 20.05 17.65

1" 1 1/2" 5/8" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A047 16.87 14.35 12.63

0.6875" ID

1" 1/2" 11/16" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A048 12.47 10.61 9.34

1" 3/4" 11/16" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A049 12.47 10.61 9.34

0.75" ID

1" 3/8" 3/4" 1 1/8" 1/8" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A311 13.83 11.75 10.36

1" 1/2" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A302 13.07 11.12 9.78

1" 5/8" 3/4" 1 1/8" 1/8" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A312 14.67 12.47 11.01

1" 3/4" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A312 13.07 11.12 9.78

1" 7/8" 3/4" 1 1/8" 1/8" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A313 15.69 13.33 11.76

1" 1" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A304 14.94 12.71 11.18

1" 1 1/4" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A382 18.82 16.01 14.09

1" 1 3/8" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A322 16.12 13.72 12.07

1" 1 1/2" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A383 21.86 18.61 16.36

1" 1 5/8" 3/4" 1 1/8" 1/8" 0.0001" to 0.0006" 0.0015" to 0.0018" -0.01" to 0.01" HL Steel Rockwell C61 31435A319 20.80 17.67 15.59

1" 2 1/2" 3/4" 1 15/64" 5/16" 0.0001" to 0.0005" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A412 38.92 33.05 29.16

1 3/8" 1/2" 3/4" 1 39/64" 3/8" 0.0001" to 0.0005" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A195 27.29 23.19 20.48

1 3/8" 1 3/4" 3/4" 1 39/64" 3/8" 0.0001" to 0.0005" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A194 35.24 29.96 26.45

0.7656" ID

1" 1/2" 49/64" 1 15/64" 5/16" 0.0002" to 0.0006" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A305 15.11 12.81 11.32

1" 3/4" 49/64" 1 15/64" 5/16" 0.0002" to 0.0006" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A306 16.13 13.69 12.09

1" 1" 49/64" 1 15/64" 5/16" 0.0002" to 0.0006" 0.0015" to 0.0018" -0.015" to 0.015" H Steel Rockwell C61 8492A307 16.33 13.85 12.23

0.7969" ID

1 3/8" 3/4" 51/64" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A012 18.18 15.45 13.59

0.8125" ID

1 3/8" 1" 13/16" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A128 19.13 16.27 14.35

0.875" ID

1 1/4" 1" 7/8" 1 1/2" 1/4" 0.0002" to 0.0006" 0.0017" to 0.002" -0.015" to 0.015" H Steel Rockwell C61 8492A329 22.81 19.37 17.11

1 1/4" 1 3/8" 7/8" 1 1/2" 1/4" 0.0002" to 0.0006" 0.0017" to 0.002" -0.015" to 0.015" H Steel Rockwell C61 8492A328 36.98 31.40 27.69

0.9063" ID

1 1/4" 1 1/2" 29/32" 1 1/2" 1/4" 0.0002" to 0.0006" 0.0017" to 0.002" -0.015" to 0.015" H Steel Rockwell C61 8492A011 23.74 20.18 17.75

1" ID

1 3/8" 1/2" 1" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A384 23.74 20.16 17.81

1 3/8" 3/4" 1" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A331 22.13 18.80 16.58

1 3/8" 7/8" 1" 1 1/2" 1/8" 0.0002" to 0.0007" 0.0018" to 0.0023" -0.01" to 0.01" HL Steel Rockwell C61 31435A411 20.64 17.53 15.47

1 3/8" 1 3/8" 1" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A33 22.13 18.80 16.58

1 3/8" 1 5/8" 1" 1 1/2" 1/8" 0.0002" to 0.0007" 0.0018" to 0.0023" -0.01" to 0.01" HL Steel Rockwell C61 31435A415 26.02 22.12 19.52

1 3/8" 1 3/4" 1" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A074 21.77 18.49 16.33

1 3/8" 2 1/8" 1" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A196 36.55 31.07 27.43

1 3/8" 3" 1" 1 39/64" 3/8" 0.0002" to 0.0006" 0.0018" to 0.0022" -0.015" to 0.015" H Steel Rockwell C61 8492A413 72.68 61.72 54.46

1 3/4" 1" 1" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A414 37.53 31.87 28.12

1 3/4" 1 3/8" 1" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A197 36.81 31.27 27.62

1 3/4" 1 3/4" 1" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A198 40.53 34.45 30.42

1 3/4" 3" 1" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A415 79.06 67.21 59.30

1.0625" ID

1 3/4" 3/4" 1 1/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A202 25.65 21.80 19.25

1 3/4" 1" 1 1/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A203 24.24 20.60 18.19

1 3/4" 1 3/8" 1 1/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A204 25.65 21.80 19.25

1 3/4" 1 1/2" 1 1/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A205 26.77 22.76 20.10

1 3/4" 1 3/4" 1 1/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A208 27.91 23.72 20.94

1 3/4" 2 1/8" 1 1/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A209 31.73 26.95 23.80

Head

Tolerance

Each

OD Lg. For Drill

Bit Size OD Thick. ID OD Lg. Drill Bushing

Type Material Hardness 1-5 6-11 12-Up

1.0781" ID

1 3/4" 3/4" 1 5/64 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A216 $25.65 $21.80 $19.25

1 3/4" 1" 1 5/64 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A217 24.24 20.60 18.19

1 3/4" 1 3/8" 1 5/64 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A218 25.65 21.80 19.25

1 3/4" 1 1/2" 1 5/64 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A219 26.77 22.76 20.10

1 3/4" 1 3/4" 1 5/64 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A223 27.91 23.72 20.94

1 3/4" 2 1/8" 1 5/64 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A226 31.73 26.95 23.80

1.125" ID

1 3/4" 3/4" 1 1/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A227 25.65 21.80 19.25

1 3/4" 1" 1 1/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A075 20.64 17.53 15.49

1 3/4" 1 3/8" 1 1/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A228 25.65 21.80 19.25

1 3/4" 1 1/2" 1 1/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A229 26.77 22.76 20.10

1 3/4" 1 3/4" 1 1/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A236 27.91 23.72 20.94

1 3/4" 2 1/8" 1 1/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A237 31.73 26.95 23.80

1.25" ID

1 3/4" 3/4" 1 1/4" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A076 23.00 19.54 17.25

1 3/4" 1" 1 1/4" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A077 20.64 17.53 15.49

1 3/4" 1 3/8" 1 1/4" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A238 25.65 21.80 19.25

1 3/4" 1 1/2" 1 1/4" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A239 26.77 22.76 20.10

1 3/4" 1 3/4" 1 1/4" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A244 27.91 23.72 20.94

1 3/4" 2 1/8" 1 1/4" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A245 31.73 26.95 23.80

1.3125" ID

1 3/4" 3/4" 1 5/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A246 25.65 21.80 19.25

1 3/4" 1" 1 5/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A247 24.24 20.60 18.19

1 3/4" 1 3/8" 1 5/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A248 25.65 21.80 19.25

1 3/4" 1 1/2" 1 5/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A249 26.77 22.76 20.10

1 3/4" 1 3/4" 1 5/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A251 27.91 23.72 20.94

1 3/4" 2 1/8" 1 5/16" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A254 31.73 26.95 23.80

1.375" ID

1 3/4" 9/16" 1 3/8" 1 7/8" 3/16" 0.0002" to 0.001" 0.0018" to 0.0023" -0.01" to 0.01" HL Steel Rockwell C61 31435A612 25.21 21.43 18.91

1 3/4" 3/4" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A255 25.65 21.80 19.25

1 3/4" 13/16" 1 3/8" 1 7/8" 3/16" 0.0002" to 0.001" 0.0018" to 0.0023" -0.01" to 0.01" HL Steel Rockwell C61 31435A711 26.72 22.71 20.04

1 3/4" 1" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A256 24.24 20.60 18.19

1 3/4" 1 3/8" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A257 25.65 21.80 19.25

1 3/4" 1 1/2" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A258 26.77 22.76 20.10

1 3/4" 1 3/4" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A259 27.91 23.72 20.94

1 3/4" 2 1/8" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A261 31.73 26.95 23.80

1 3/4" 2 1/2" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A263 35.05 29.78 26.31

1 3/4" 3" 1 3/8" 1 63/64" 3/8" 0.0002" to 0.0006" 0.0019" to 0.0023" -0.015" to 0.015" H Steel Rockwell C61 8492A264 49.05 41.69 36.81

1.625" ID

2 1/4" 1 3/8" 1 5/8" 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A125 33.07 28.10 24.82

1.7656" ID

2 1/4" 1" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A139 29.63 25.18 22.24

2 1/4" 1 3/8" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A142 33.07 28.10 24.82

2 1/4" 1 1/2" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A143 35.05 29.78 26.31

2 1/4" 1 3/4" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A144 35.05 29.78 26.31

2 1/4" 2" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A145 40.06 34.05 30.06

2 1/4" 2 1/8" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A146 45.17 38.39 33.89

2 1/4" 3" 1 49/64 2 31/64" 3/8" 0.0003" to 0.0007" 0.0021" to 0.0025" -0.015" to 0.015" H Steel Rockwell C61 8492A147 55.02 46.76 41.29