HSS Cobalt drill bits are designed for drilling stainless steel. The cobalt alloy drill bit has significantly higher heat and wear resistance, which extends the service life of the bit. The industrial-quality milled thread ensures the most accurate possible drilling pattern and efficient chip removal.

135 degree cross sharpening
Best possible durability and reduced power requirements
Industrial quality milled thread
Cobalt alloy steel drill bit shank
Gold-colored heat treatment