Norseman Cobalt drill bits are manufactured from M42 HSS containing 8% cobalt which increases high red hardness. Cobalt drills require rigidly held positive feed drilling equipment. Manufactured to NAS 907J specifications.
Set includes 1/16" thru 1/2" by 64ths. Organized in an Indexed Metal Case.
WARNING: Cancer & Reproductive harm www.P65Warnings.ca.gov