Astro Pneumatic TS21 ONYX 21-Piece TurboStep HSS Mechanics Length Drill Bits

Designed with spiral fluted step tip drill bits, the Astro Tools TS21 ONYX 21-Piece TurboStep HSS Mechanics Length 1/16" - 3/8" Drill Bit Set simply outperforms every conventional drill bit design in nearly all materials. The three-flat shanks and mechanic's length allow for superior access in cramped spaces. These drill bits excel on hard alloys, sheet metal, and other difficult-to-drill parts.

Features:

• Spiral fluted stepped tip drill bits that simply outperform every conventional drill bit design in nearly all materials
• Eliminates bit walk and the need for pilot holes
• Excels on hard alloys, sheet metal, and imperfect parts that are difficult to start drilling into
• Precision ground from heat treated quality M2 High Speed Steel and Onyx oxide coated to prevent chip build-up
• Three-flat shanks and mechanic's length for superior access in cramped spaces