Step drill bits for clean hole drilling in metals. Southwire’s heavy-duty step drill bits for fast, clean drilling of holes in metals, wood, and plastic. Drill bit sizes ranged from 3/16 in. to 7/8 in.
- Laser etched sizes for easy identification
- Split point self-starting tip requires no pilot hole and penetrates faster
- Tri-lobe shank reduced slippage and firm grim in the chuck
- Double flute design for fast cuts and a true round hole every time















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