HSS twist drill set cobalt fully ground 170 pieces split point

Description

Contents:

– 10x drill 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0
– 5x drill 8.5, 9.0, 9,5, 10.0

– 5% cobalt