Size 1B Insert Drills

Type B HSS Tol. h8 flute 25mm
When combining insert drills with countersinks, the drill must break through the work piece before secondary cutting commences and must not be used for blind holes.
Sizes marked with * not to be used with carbide cutters.
Dimensions (mm):
d1: 6.0; L: 95.0; L1: 25.0.