OD Lg. For Drill

Bit Size ID OD Drill Bushing

Type Material Hardness Each

0.125" ID

5/16" 5/16" 1/8" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A111 $11.53

5/16" 1/2" 1/8" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A114 12.74

0.1563" ID

5/16" 5/16" 5/32" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A112 11.53

5/16" 1/2" 5/32" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A115 12.21

0.1875" ID

5/16" 5/16" 3/16" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A113 11.53

5/16" 1/2" 3/16" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A116 12.74

1/2" 5/16" 3/16" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A117 9.87

1/2" 1/2" 3/16" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A122 11.16

0.1935" ID

5/16" 3/8" No. 10 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A171 16.68

5/16" 1/2" No. 10 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A172 12.74

0.2188" ID

1/2" 1/2" 7/32" 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A153 11.16

0.25" ID

13/32" 3/8" 1/4", E 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A174 10.68

1/2" 5/16" 1/4", E 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A118 9.87

1/2" 1/2" 1/4", E 0.0001" to 0.0004" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A123 11.16

0.2656" ID

1/2" 1/2" 17/64" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A182 11.16

0.2813" ID

1/2" 1/2" 9/32" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A155 11.16

0.3125" ID

1/2" 5/16" 5/16" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A121 9.87

1/2" 1/2" 5/16" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A125 11.16

1/2" 3/4" 5/16" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A175 12.21

5/8" 3/4" 5/16" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A131 11.00

0.375" ID

5/8" 1/2" 3/8" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A128 10.21

5/8" 3/4" 3/8" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A133 11.00

3/4" 1/2" 3/8" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A135 11.16

0.5" ID

3/4" 1/2" 1/2" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A137 11.16

3/4" 3/4" 1/2" 0.0001" to 0.0005" -0.0002" to 0" SP 1144 Carbon Steel Rockwell C61 3377A142 11.53