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Your cart is empty.Overall Length - 5 1/8", Shank Diameter - 1/2" x 3 7/8", Pilot Hole Diameter - 3/16". Used in spot facing and counterboring operations. . These counterbores can be used with a wide variety of pilots. The shank diameter of the pilots ordered must be the same as the pilot hole size in the counterbore. We stock a complete range of pilots; please inquire.
David A Dewmaugh
2025-08-09 14:56:54
the tool provided accurately centered 5/8" ID holes in a stock for pillar bedding
Peter Franklin
2025-01-24 12:30:31
Worked perfectly to make mating surfaces in cast iron for piston oil squirters.
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