All sets come with a 135 degree split point and specially treated surface finished, from flute to finish these sets are premium USA Made Drill Bits as well as index. Super heat treated and finished to a razor edge. Super sonic series drill bit sets are all best in class quality.

U.S.-made Super Sonic bits cut through stainless, carbon fiber, hardened steel, wood, plastic—you name it. Built for pros who demand more.

If drilling were an Olympic event with this set, the USA would have another Gold Metal! Perfect for professionals on the move—locksmiths, plumbers, electricians, contractors, aerospace workers, military personnel, mechanics, maintenance crews, farmers—or anyone who values high quality craftsmanship tooling. Once you see this set, you’ll want one too. It’s that good. Period.