Astro Pneumatic TS21 21-Piece TurboStep HSS Mechanics Length Drill Bit Set
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- Designed with spiral fluted step tip drill bits, the TS21 ONYX 21pc TurboStep HSS Mechanics Length 1/16" - 3/8" Drill Bit Set simply outperforms every conventional drill bit design in nearly all materials.
- These drills eliminate bit walk and the need for pilot holes with three-flat shanks and mechanic's length for superior access in cramped spaces.
- Making these drill bits excels on hard alloys, sheet metal, and imperfect parts that are difficult to start drilling into.
- The material used on these drills is precision ground from heat treated quality M2 High Speed Steel and Onyx oxide coated to prevent chip build-up.