Sizes smaller than 1/16 and #52 have the 118 degree standard point. Ideal for portable or machine drilling. #8 HSS Heavy Duty Split Point Stub Drill Bit Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907. The 135 degree split point is self-centering and reduces thrust.
#8 HSS Heavy Duty Split Point Stub Drill Bit Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907.