1/2 Inch Cobalt Drill Bit, Industrial Grade M35 Cobalt Titanium Aluminum Nitrite, Reduced Shank High Speed Steel, 3-Flat 1/2″ Shank, Cobalt Drill Bit for Metal and Hardened Steel – Total Length of 6″

OSTTE’s 1/2″ industrial M35 cobalt drill bit pairs a heat-resistant cobalt-steel body with a TiAlN coating and a 135° split point to help drill quickly and stay on target in tough metals. Reduced shank tri-flat design improves chuck grip; total length 6″ with 3″ flute length.