These drill bits are jobber (standard) length with a round shank for use in a wide range of tool holding systems.
They are surface treated with abrasion-resistant black oxide and made of high speed steel with a 135° split point tip for fast penetration and accurate drilling..#10 HSS Split Point Jobber Length Drill Bit, D/ASP Series They are for use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood. A dependable, general purpose high speed steel drill bit ideal for production, maintenance or portable drilling jobs.