Drill Bits

11mm HSS 2 Flute Threaded Shank Counterbore MC27506

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

10mm HSS 2 Flute Threaded Shank Counterbore MC27505

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

8mm HSS 2 Flute Threaded Shank Counterbore MC27504

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

1-11/32" HSS 2 Flute Threaded Shank Counterbore MC27100

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

1-5/32" HSS 2 Flute Threaded Shank Counterbore MC27056

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

1-1/32" HSS 2 Flute Threaded Shank Counterbore MC27048

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

29/32" HSS 2 Flute Threaded Shank Counterbore MC27040

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

27/32" HSS 2 Flute Threaded Shank Counterbore MC27036

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

25/32" HSS 2 Flute Threaded Shank Counterbore MC27032

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

21/32" HSS 2 Flute Threaded Shank Counterbore MC27028

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

19/32" HSS 2 Flute Threaded Shank Counterbore MC27024

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog

15/32" HSS 2 Flute Threaded Shank Counterbore MC27020

HSS Used to enlarge the opening of a hole to allow room for the head of a fastener Clarkson Osborn Catalog