4.0mm HSS Cobalt Drill

For particularly tough or hard metal drilling applications, such as stainless steel, Cr-Ni and special acid resistant steels.

Fully ground from solid material.

M35 alloyed HSS steel with 5% Cobalt content.

High heat resistance for particularly tough metal drilling.

High performance 135 degree split point tip from 3mm and above eradicates the need to pre-drill/centre punch. Prevents 'walking' and enables faster penetration.

Manufactured to DIN338.

Dimensionally precise.