- 6counterbores
- 14 pilots
- Straight shanks
- 1 holder: 3/8″ shank
- High speed steel
21 Piece interchangeable pilot counterbore set used in spot facing and counterboring operations. Kit includes:
1 holder with 3/8″ shank
6 counterbores, sizes: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8″
14 Pilots: 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 & 7/16″
