Cobalt jobber drills.. #80 Cobalt Heavy Duty Jobber Length Drill Bit Sizes smaller than 1/16” or #52, and larger than 1/2” have the 118° standard point. The 135 split point is self-centering and reduces thrust.
. Has 3-flat shank.3/16" HSS Split Point Mechanic Length Drill Bit 3-Flat Shank Gold and black surface treated for use in stainless steel and other hard metal drilling.