1/2″ Diameter. 1/4×28 Thread. 3 flute, Integral (fixed) pilot for cutting accuracy. High Speed Steel. Used with the ATS-133 countersink micro stop. NOTE: Cannot be used for steel – only aluminum and soft metals.
Countersink Pilot Cutters
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Which of the countersink bits is for 5/32 and 3/16 rivets? Thanks.
The #21 would be used for 5/32 and the #12 would be used for 3/16.
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2 reviews for Countersink Pilot Cutters