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. 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.75 HSS Plug Tap and 10. Hand Tap and Drill Set comes in an easy to maintain plastic pouch.
The 135 split point is self-centering and reduces thrust.Cobalt jobber drills. 29/64" Cobalt Heavy Duty Jobber Length Drill Bit Sizes smaller than 1/16” or #52, and larger than 1/2” have the 118° standard point. Heavy Duty 135 Split Point, Cobalt Steel, Jobber Length, manufactured to National Aerospace standard 907.
Gold and black surface treated for use in stainless steel and other hard metal drilling.9/32" HSS Black & Gold KFD Split Point Jobber Length Drill Bit Killer Force Drills (KFD) have a heavy duty 135 degree split point for self-centering and reducing thrust.