Drill America DWDNHP12 H High Speed Steel Black Oxide Drill Bit Pack of 12 DWDN Series

Drill America black oxide series high speed drill bit is a dependable, general purpose drill designed to perform in a broad range of materials in the iron and steel families. Ideal for production, maintenance or portable drilling jobs. Surface treated with abrasion-resistant black oxide.Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge. Round shanks allow use with a wide var