Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 11/16" X 6" Knife Blades For use with insert bits

For use with insert bits only

Ideal for cleaning of large surfaces

Patented head to handle assembly

Ideal for drilling fastener holes in bathroom tile or for wall mirror installation

Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 11/16" X 6" Knife Blades For use with insert bitsSpeedbor MAX Speed Bits 6" Standard Length Bits Features: Three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life. Full screw point tip allows bit to self feed for ease of drilling. Tapered tri flute design for faster chip ejection and less binding. 1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks, including impact drills.