The Irwin Speedbor 3-Piece Steel Max Speed Set features a full-screw point that provides self-feeding capability. The 3 cutting spurs provide fast, clean holes and an extended drilling life. The Tri-Flute design allows fast chip ejection and less binding. The set includes 5/8 in., 3/4 in., and 1 in. diameter bits.
- Fits all standard 1/4 in. quick-change chucks
- High-speed steel
- Full-screw point tip gives the bit self-feeding capability
- Tri-flute design for fast chip ejection and less binding
- 3 cutting spurs provide clean holes and extended drilling life
- Grooved hex shank for less slipping
- Includes 1/2 in., 5/8 in. and 1 in. diameter bits
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