Precise 3 Flute H.S.S. Solid Cap Screw Counterbore, #10 Size, 13/64″ Pilot, 21/64″ Cutting Dia., 5/16″ Shank Dia., 3-1/2″ OAL

• H.S.S. – High Speed Steel
• Straight Shank
• Right Hand
• Integral Pilot, one piece construction Counterbores provide a more accurate hole when requirement is to allow space to accommodate the head of a screw or bolt.
• Counterbore supplied with attached pilot.
• Series: C9

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