Description
- Drill bits have 3 cutting edges that are hardened for durability and long life in tough materials
- Drill bits feature replaceable screw-point tips that pull the drill bit fast for clean, true holes
- Drill bit has an aggressive screw pitch
- 7/16-inch hex impact shank reduces slipping in standard chucks
- IRWIN drill bit extension is compatible with most 7/16-inch impact drills
Irwin Tools 3046003 Speedbor MAX Self-Feed Wood Bits, 18", Black