The 135 degree split point is self-centering and reduces thrust. Sizes smaller than 1/16 and #52 have the 118 degree standard point. Ideal for drilling in mild steel where extra length for reach is required. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow. Manufactured to Aerospace Standard 907.
Cutting Tools,Drill Bits,Extra Long Drill Bits
7/16x6 HSS Aircraft Extension Drill Bit, Overall Length: 6
Specifications of 7/16x6 HSS Aircraft Extension Drill Bit, Overall Length: 6 | |
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Instock | instock |