Short, rugged construction performs well in a broad range of materials. Sizes smaller than 1/16 and #52 have the 118 degree standard point. Ideal for portable or machine drilling. Left hand drills can also be used to drill out broken bolts. Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907. They are often used in screw machine setup where spindle clearance is limited. They feature a left hand helix for screw machine applications where spindles rotate counter-clockwise. Left hand jobber drill bits are for general purpose construction. The 135 degree split point is self-centering and reduces thrust. Screw machine drills are popular in the automotive and construction industries.
Cutting Tools,Drill Bits,Spiral Flute Drill Bits
39/64 HSS Left Hand Split Point Stub Drill Bit, DWDSTLH Series
Specifications of 39/64 HSS Left Hand Split Point Stub Drill Bit, DWDSTLH Series | |
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