Irwin HSS Cobalt Metal Drill Bit 4.5 x 80 mm

HSS cobalt drill bits are made for drilling stainless steel. Thanks to the cobalt alloy steel, the bit's heat and wear resistance is way higher, which extends its lifespan. The industrial-grade milled flute ensures the most precise drilling result and efficient chip removal.

135 degree split point
Best possible durability and lower force needed
Industrial-grade milled flute
Cobalt alloy steel drill bit shank
Gold-colored heat treatment