Surface treated with abrasion-resistant black oxide.#16 HSS Black Oxide Jobber Length Drill Bit, Number of Flutes: 2 Ideal for production, maintenance or portable drilling jobs..
#40 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..
For threading, a High Speed Steel Round Adjustable Die is desired for improved wear life. Round Dies are chamfered on both faces. #4-36 13/16" OD HSS Round Adjustable Die The slot is beveled so that when the dies are used in a machine holder the adjusting screw can be removed and adjustment made by the adjusting screws in the holder.