25 Piece HSS Black Oxide Bit Cooler Drill Bit Set, 1.00mm - 13.00mm, DWD Series - High Performance & Durable Cutting Tool | Drill America Pipe Equipment Thread Size: 5/16"

Thread Size: 5/16"

Size: SB-7

Size: SG-51

Screen-Only Option: Ideal for users who already own a frame and need a durable

25 Piece HSS Black Oxide Bit Cooler Drill Bit Set, 1.00mm - 13.00mm, DWD Series - High Performance & Durable Cutting Tool | Drill America Pipe Equipment Thread Size: 5/16"A dependable, general purpose high speed steel drill bit ideal for production, maintenance or portable drilling jobs. They are for use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood. They are surface treated with abrasion resistant black oxide and made of high speed steel with a 118 degree conventional point. These drill bits are jobber (standard) length with a round shank for use in a wide range of tool holding