Inch

Thread

Drill Bit

Plug Chamfer

Size Lg. Overall

Lg. Size Decimal Size

Equivalent Point

Angle No. of

Flutes Thread

Type Pitch

Dia. Limit Hex Shank

Size Each

Uncoated High-Speed Steel

4-40 3/8" 2 7/8" 43 ga. 0.089" 118° 2 UNC H2 1/4" 3464A11 $18.85

5-40 5/16" 1 27/64" 7/64" 0.1024" 110° 2 UNC Not Rated 1/4" 3464A82 35.11

6-32 7/16" 3" 36 ga. 0.1065" 118° 2 UNC H3 1/4" 3464A12 16.73

8-32 1/2" 3 1/8" 29 ga. 0.136" 118° 2 UNC H3 1/4" 3464A13 16.73

10-24 5/8" 3 3/8" 25 ga. 0.1495" 118° 2 UNC H3 1/4" 3464A14 17.31

10-32 5/8" 3 3/8" 21 ga. 0.159" 118° 2 UNF H3 1/4" 3464A15 17.31

12-24 1/2" 1 39/64" 11/64" 0.1772" 110° 2 UNC Not Rated 1/4" 3464A83 38.30

1/4"-20 25/32" 3 1/2" 7 ga. 0.201" 118° 2 UNC H3 1/4" 3464A16 19.62

1/4"-28 25/32" 3 1/2" 3 ga. 0.213" 118° 2 UNF H3 1/4" 3464A17 19.62

5/16"-18 15/16" 3 23/32" F 0.257" 118° 2 UNC H3 1/4" 3464A18 25.96

5/16"-24 15/16" 3 23/32" I 0.272" 118° 2 UNF H3 1/4" 3464A19 25.96

3/8"-16 1 1/8" 3 15/16" 5/16" 0.3125" 118° 2 UNC H3 1/4" 3464A21 28.08

3/8"-24 1 1/8" 3 15/16" Q 0.332" 118° 2 UNF H3 1/4" 3464A22 34.42

7/16"-14 1 1/4" 3 3/4" U 0.368" 118° 2 UNC H3 1/4" 3464A61 33.85

7/16"-20 1 1/4" 3 3/4" 25/64" 0.3906" 118° 2 UNF H3 1/4" 3464A62 33.85

1/2"-13 1 3/8" 4 1/16" 27/64" 0.4219" 118° 2 UNC H3 1/4" 3464A63 37.69

1/2"-20 1 3/8" 4 1/16" 29/64" 0.4531" 118° 2 UNF H3 1/4" 3464A64 37.69

9/16"-18 1 5/8" 5 1/2" 33/64" 0.509" 118° 4 UNF H3 1/4" 3464A65 54.04

5/8"-11 1 3/4" 5 1/16" 17/32" 0.5313" 118° 4 UNC H3 1/4" 3464A66 57.88

5/8"-18 1 3/4" 6 1/16" 37/64" 0.5781" 118° 4 UNF H3 1/4" 3464A67 57.88

Titanium Nitride (TiN) Coated High-Speed Steel

6-32 7/16" 3" 36 ga. 0.1065" 118° 2 UNC H3 1/4" 3464A111 19.19

8-32 1/2" 3 1/8" 29 ga. 0.136" 118° 2 UNC H3 1/4" 3464A112 21.50

10-24 5/8" 3 3/8" 25 ga. 0.1495" 118° 2 UNC H3 1/4" 3464A113 22.08

10-32 5/8" 3 3/8" 21 ga. 0.159" 118° 2 UNF H3 1/4" 3464A114 22.08

1/4"-20 25/32" 3 1/2" 7 ga. 0.201" 118° 2 UNC H3 1/4" 3464A115 24.38

1/4"-28 25/32" 3 1/2" 3 ga. 0.213" 118° 2 UNF H3 1/4" 3464A116 24.38

5/16"-18 15/16" 3 23/32" F 0.257" 118° 2 UNC H3 1/4" 3464A117 31.88

5/16"-24 15/16" 3 23/32" I 0.272" 118° 2 UNF H3 1/4" 3464A118 31.88

3/8"-16 1 1/8" 3 15/16" 5/16" 0.3125" 118° 2 UNC H3 1/4" 3464A119 35.15

3/8"-24 1 1/8" 3 15/16" Q 0.332" 118° 2 UNF H3 1/4" 3464A121 41.50

7/16"-14 1 1/4" 3 3/4" U 0.368" 118° 2 UNC H3 1/4" 3464A122 40.92

7/16"-20 1 1/4" 3 3/4" 25/64" 0.3906" 118° 2 UNF H3 1/4" 3464A123 40.92

1/2"-13 1 3/8" 4 1/16" 27/64" 0.4219" 118° 2 UNC H3 1/4" 3464A124 44.77

1/2"-20 1 3/8" 4 1/16" 29/64" 0.4531" 118° 2 UNF H3 1/4" 3464A125 44.77

9/16"-18 1 5/8" 5 1/2" 33/64" 0.509" 118° 4 UNF H3 1/4" 3464A135 67.31

5/8"-11 1 3/4" 5 1/16" 17/32" 0.5313" 118° 4 UNC H3 1/4" 3464A136 71.15

5/8"-18 1 3/4" 6 1/16" 37/64" 0.5781" 118° 4 UNF H3 1/4" 3464A137 71.15

Metric

Thread

Drill Bit

Plug Chamfer

Size Pitch,

mm Lg. Overall

Lg. Size Decimal Size

Equivalent Point

Angle No. of

Flutes Pitch

Dia. Limit Hex Shank

Size Each

Uncoated High-Speed Steel

M3 0.5 9/32" 1 27/64" 3/32" 0.0984" 110° 3 Not Rated 1/4" 3464A81 $24.46

M4 0.7 1/2" 3 1/8" 3.3 mm 0.1299" 118° 2 D4 1/4" 3464A51 28.08

M5 0.8 5/8" 3 3/8" 4.2 mm 0.1653" 118° 2 D4 1/4" 3464A52 29.61

M6 1 25/32" 3 1/2" 5 mm 0.1968" 118° 2 D5 1/4" 3464A53 29.23

M7 1 15/16" 3 23/32" 6 mm 0.2362" 118° 2 D5 1/4" 3464A54 32.31

M8 1.25 15/16" 3 23/32" 6.7 mm 0.2637" 118° 2 D5 1/4" 3464A55 32.31

M10 1.5 1 1/8" 3 15/16" 8.5 mm 0.3346" 118° 2 D6 1/4" 3464A56 34.23

M12 1.25 1 3/8" 5 1/16" 10.8 mm 0.4251" 118° 2 D5 1/4" 3464A72 37.69

M12 1.75 1 3/8" 4 1/16" 10.2 mm 0.4015" 118° 2 D6 1/4" 3464A71 37.69

M14 1.5 1 5/8" 5 1/2" 12.5 mm 0.4921" 118° 4 D6 1/4" 3464A73 54.04

M14 2 1 5/8" 5 1/2" 12 mm 0.4724" 118° 4 D7 1/4" 3464A74 54.04

M16 2 1 3/4" 6 1/16" 14 mm 0.5512" 118° 4 D7 1/4" 3464A75 57.88

Titanium Nitride (TiN) Coated High-Speed Steel

M3 0.5 3/16" 1 27/64" 3/32" 0.0984" 110° 2 Not Rated 1/4" 3464A211 46.15

M4 0.7 1/2" 3 1/8" 3.3 mm 0.1299" 118° 2 D4 1/4" 3464A126 32.85

M5 0.8 5/8" 3 3/8" 4.2 mm 0.1653" 118° 2 D4 1/4" 3464A127 34.38

M6 1 25/32" 3 1/2" 5 mm 0.1968" 118° 2 D5 1/4" 3464A128 34.00

M8 1.25 15/16" 3 23/32" 6.7 mm 0.2637" 118° 2 D5 1/4" 3464A131 39.38

M10 1.5 1 1/8" 3 15/16" 8.5 mm 0.3346" 118° 2 D6 1/4" 3464A132 41.31

M12 1.75 1 3/8" 4 1/16" 10.2 mm 0.4015" 118° 2 D6 1/4" 3464A133 44.77

M16 2 1 3/4" 6 1/16" 14 mm 0.5512" 118° 2 D7 1/4" 3464A134 71.15