Description:

Interchangeable Pilot Counterbore Set 21pcs/set, short style #Z-3620-0121-new

Set including: 

* short style, 6 counterbores 5/16" -5/8", including: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8”

* 14 pilots 0.187-7/16", including: 0.187, 0.204, 0.213, 0.229, 1/4, 11/64, 9/32, 5/16, 21/64, 11/32, 25/64, 3/8, 13/32, 7/16

 * 1 straight shank holder.