HSS

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

13/32" HSS 2 Flute Threaded Shank Counterbore MC27016

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

0.251" HSS 2 Flute Threaded Shank Counterbore MC27004

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

0.341" HSS 2 Flute Threaded Shank Counterbore MC27002

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

1-1/2" HSS 6 Flute 100° Countersink ZD72132

HSS For chamfering, deburring, and countersinking 6 flute geometry to reduce chatter and a fast shearing cut Longer tool life due to distributing the cutting load over 6 teeth Clarkson Osborn Catalog

1-1/4" HSS 6 Flute 100° Countersink ZD72116

HSS For chamfering, deburring, and countersinking 6 flute geometry to reduce chatter and a fast shearing cut Longer tool life due to distributing the cutting load over 6 teeth Clarkson Osborn Catalog

1" HSS 6 Flute 100° Countersink ZD72100

HSS For chamfering, deburring, and countersinking 6 flute geometry to reduce chatter and a fast shearing cut Longer tool life due to distributing the cutting load over 6 teeth Clarkson Osborn Catalog

7/8" HSS 6 Flute 100° Countersink ZD72056

HSS For chamfering, deburring, and countersinking 6 flute geometry to reduce chatter and a fast shearing cut Longer tool life due to distributing the cutting load over 6 teeth Clarkson Osborn Catalog