1/4" Hex Shank can be used in quick change impact drivers. These Killer Force Drills (KFD) have a heavy duty 135 degree split point for self-centering and reducing thrust. 1/8" Quick Change Hex Shank Drill Bit High speed steel black and gold quick change hex shank drill bits are manufactured from premium grade high speed steel.
They are often used in screw machine setup where spindle clearance is limited. #43 HSS Heavy Duty Split Point Stub Drill Bit Short, rugged construction performs well in a broad range of materials. Ideal for portable or machine drilling.
. The 135 split point is self-centering and reduces thrust. Heavy Duty 135 Split Point, Cobalt Steel, Jobber Length, manufactured to National Aerospace standard 907.
Sizes smaller than 1/16 and #52 have the 118 degree standard point. #48 HSS Heavy Duty Split Point Stub Drill Bit Short, rugged construction performs well in a broad range of materials.