Continuous Pilot Counterbores
Coating/Finish
Decimal Cutting Diameter
- 0.0200" (2)
- 0.0300" (2)
- 0.0312" (4)
- 0.0394" (5)
- 0.0400" (2)
- 0.0469" (4)
- 0.0500" (2)
- 0.0550" (2)
- 0.0600" (2)
- 0.0625" (10)
- 0.0700" (2)
- 0.0781" (6)
- 0.0787" (6)
- 0.0800" (2)
- 0.0900" (2)
- 0.0937" (9)
- 0.1094" (6)
- 0.1181" (10)
- 0.1250" (10)
- 0.1406" (9)
- 0.1562" (8)
- 0.1575" (6)
- 0.1719" (9)
- 0.1830" (1)
- 0.1875" (10)
- 0.1968" (8)
- 0.1980" (6)
- 0.1990" (1)
- 0.2031" (6)
- 0.2050" (1)
- 0.2150" (1)
- 0.2187" (8)
- 0.2210" (1)
- 0.2270" (1)
- 0.2344" (6)
- 0.2362" (7)
- 0.2370" (1)
- 0.2420" (4)
- 0.2430" (1)
- 0.2500" (10)
- 0.2590" (1)
- 0.2656" (6)
- 0.2700" (1)
- 0.2812" (6)
- 0.2860" (1)
- 0.2900" (4)
- 0.2969" (6)
- 0.3020" (1)
- 0.3120" (1)
- 0.3125" (10)
- 0.3150" (6)
- 0.3280" (1)
- 0.3281" (4)
- 0.3320" (4)
- 0.3437" (8)
- 0.3440" (1)
- 0.3594" (4)
- 0.3750" (10)
- 0.3800" (1)
- 0.3937" (8)
- 0.3960" (1)
- 0.4060" (6)
- 0.4062" (4)
- 0.4120" (1)
- 0.4375" (8)
- 0.4687" (2)
- 0.4724" (4)
- 0.4740" (1)
- 0.4890" (1)
- 0.5000" (16)
- 0.5040" (1)
- 0.5625" (4)
- 0.5690" (1)
- 0.5850" (1)
- 0.5930" (6)
- 0.6010" (1)
- 0.6250" (4)
- 0.6610" (1)
- 0.6760" (1)
- 0.6870" (6)
- 0.6875" (2)
- 0.6910" (1)
- 0.7500" (4)
- 0.7550" (1)
- 0.7710" (1)
- 0.7810" (6)
- 0.7870" (1)
- 0.8750" (6)
- 0.9430" (1)
- 0.9590" (1)
- 0.9750" (1)
- 1.0000" (6)
- 1.1310" (1)
- 1.1470" (1)
- 1.1630" (1)
- 1.1870" (6)
- 1.3200" (1)
- 1.3360" (1)
- 1.3520" (1)
- 1.5080" (1)
- 1.5240" (1)
- 1.5400" (1)
Fractional Cutting Diameter
- 1/32" (4)
- 3/64" (4)
- 1/16" (10)
- 5/64" (6)
- 3/32" (9)
- 7/64" (6)
- 1/8" (10)
- 9/64" (9)
- 5/32" (8)
- 11/64" (9)
- 3/16" (10)
- 13/64" (6)
- 7/32" (8)
- 15/64" (6)
- 1/4" (10)
- 17/64" (6)
- 9/32" (6)
- 19/64" (6)
- 5/16" (11)
- 21/64" (5)
- 11/32" (8)
- 23/64" (4)
- 3/8" (10)
- 13/32" (4)
- 7/16" (8)
- 15/32" (2)
- 1/2" (10)
- 9/16" (4)
- 5/8" (4)
- 11/16" (2)
- 3/4" (4)
Metric Cutting Diameter
- 0.50 mm (2)
- 1.00 mm (5)
- 1.40 mm (2)
- 2.00 mm (6)
- 3.00 mm (10)
- 4.00 mm (6)
- 5.00 mm (7)
- 6.00 mm (7)
- 6.1468 mm (4)
- 7.366 mm (4)
- 8.00 mm (7)
- 8.4328 mm (4)
- 10 mm (2)
- 10.00 mm (7)
- 10.3124 mm (6)
- 11.00 mm (1)
- 12.00 mm (4)
- 12.70 mm (6)
- 15.00 mm (1)
- 15.0622 mm (6)
- 17.4498 mm (6)
- 18.00 mm (1)
- 19.8374 mm (6)
- 20.00 mm (1)
- 22.225 mm (6)
- 24.00 mm (1)
- 25.40 mm (6)
- 26.00 mm (1)
- 30.1498 mm (6)
- 33.00 mm (1)
- 40.00 mm (1)
Pilot Diameter Decimal
- 0.1280" (3)
- 0.1120" (3)
- 0.1360" (2)
- 0.1500" (2)
- 0.1620" (2)
- 0.1780" (2)
- 0.1880" (2)
- 0.2040" (2)
- 0.2500" (2)
- 0.2650" (2)
- 0.2810" (2)
- 0.3120" (2)
- 0.3280" (2)
- 0.3430" (2)
- 0.3750" (2)
- 0.3900" (2)
- 0.4060" (2)
- 0.4370" (2)
- 0.4530" (2)
- 0.4680" (2)
- 0.5000" (2)
- 0.5150" (2)
- 0.5310" (2)
- 0.5620" (2)
- 0.5780" (2)
- 0.5930" (2)
- 0.6250" (2)
- 0.6400" (2)
- 0.6560" (2)
- 0.7500" (2)
- 0.7650" (2)
- 0.7810" (2)
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