Interchangeable pilot counterbore

Interchangeable pilot counterbore American standard or DIN standard. Size: 3/16"- 3-1/2"

Interchangeable pilot counterbore.

American standard or DIN standard.

Pilots of different diameters can be used with each counterbore. Used in spot facing and counterboring operations with same pilot.

Counterbore Pilot hole size Range of pilot size 3/16 3/32 1/8 - 5/32 7/32 3/32 1/8 - 3/16 15/64 3/32 1/8 - 3/16 1/4 3/32 1/8 - 3/16 17/64 3/32 1/8 - 3/16 9/32 3/32 1/8 - 7/32 19/64 3/32 1/8 - 7/32 5/16 3/32 1/8 - 1/4 11/32 3/32 1/8 - 9/32 3/8 5/32 3/16 - 5/16 25/64 5/32 3/16 - 5/16 13/32 5/32 3/16 - 11/32 7/16 5/32 3/16 - 3/8 15/32 3/16 1/4 - 13/32 31/64 3/16 1/4 - 7/16 1/2 3/16 1/4 - 7/16 17/32 3/16 1/4 - 15/32 9/16 3/16 1/4 - 1/2 37/64 3/16 1/4 - 1/2 19/32 3/16 1/4 - 17/32 5/8 3/16 1/4 - 9/16 41/64 3/16 1/4 - 9/16 21/32 3/16 1/4 - 19/32 11/16 3/16 1/4 - 5/8 23/32 1/4 5/16 - 21/32 3/4 1/4 5/16 - 11/16 25/32 1/4 5/16 - 23/32 13/16 1/4 5/16 - 3/4 27/32 1/4 5/16 - 25/32 7/8 1/4 5/16 - 13/16 29/32 1/4 5/16 - 27/32 15/16 1/4 5/16 - 7/8 31/32 5/16 3/8 - 15/16 1 5/16 3/8 - 15/16 1-1/16 5/16 3/8 - 1 1-1/8 5/16 3/8 - 1-1/16 1-3/16 5/16 3/8 - 1-1/8 1-1/4 3/8 7/16 - 1-3/16 1-5/16 3/8 7/16 - 1-1/4 1-3/8 3/8 7/16 - 1-5/16 1-7/16 3/8 7/16 - 1-3/8 1-1/2 3/8 7/16 - 1-7/16 1-5/8 7/16 1/2 - 1-9/16 1-11/16 7/16 1/2 - 1-5/8 1-3/4 7/16 1/2 - 1-11/16 1-13/16 7/16 1/2 - 1-3/4 1-7/8 7/16 1/2 - 1-13/16 2 1/2 9/16 - 1-15/16 2-1/8 1/2 9/16 - 2-1/16 2-1/4 1/2 9/16 - 2-3/16 2-3/8 1/2 9/16 - 2-5/16 2-1/2 1/2 9/16 - 2-7/16 2-5/8 1/2 9/16 - 2-9/16 2-3/4 1/2 9/16 - 2-11/16 2-7/8 1/2 9/16 - 2-13/16 3 1/2 9/16 - 2-15/16

Interchangeable pilot counterbore