MH GLOBAL Interchangeable Pilot Counterbore Set 21Pcs/Set, Straight Shank
- * 6 counterbores: 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', And 5/8''.
- * 14 Piolts With A 5/32'' Shank: 0.187'', 0.204'', 0.213'', 0.229'', 1/4'', 17/64'', 9/32'', 5/16'', 21/64'', 11/32'', 3/8'', 25/64'', 13/32'', And 7/16''.