Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 11/16" X 6" Brand_Windex So is our guarantee

So is our guarantee

Intake and discharge transfer system

Bronze Bolt Snap

Engineered and tested to meet quality performance standards

Clean wood

Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 11/16" X 6" Brand_Windex So is our guaranteeSpeedbor 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.