Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 15/16" X 6" Rubbermaid and wheel guard

and wheel guard

but best results are obtained on dry surfaces

BladeLock Technology further improves safety by providing the user with the ability to change blades only when the release button is engaged and the blade holder is in the 45° open position

Low pH can cause surface corrosion and plaster etching

Commercial Grade 2 heavy-duty series with brushed chrome finish

Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 15/16" X 6" Rubbermaid and wheel guardSpeedbor 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.