11/16in-27 UNS HSS Plug Tap and 21/32in HSS 1/2in Shank Drill Bit Kit
Black oxide high-speed steel drill bits are a dependable, general purpose drill designed to perform in a broad range of materials in the iron and steel families. Black oxide high-speed steel dill bits are ideal for production, maintenance or portable drilling jobs and are surface treated with abrasion-resistant black oxide. They are for use in general machine tapping or CNC tapping. Hand taps are also appropriate for tapping the vast majority of materials in through or blind holed conditions.