Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 7/16" X 6" Size:7/16" X 6" Great for transporting heavy loads

Great for transporting heavy loads on smooth

recovery at a 90¼ rise-gallons/ hours21

Pressure rating: 150 PSI maximum

dries to handle in 30 minutes

Perfect for any natural porous surface including: granite

Irwin Speedbor MAX Speed Bits 6" Standard Length Bits 7/16" X 6" Size:7/16" X 6" Great for transporting heavy loadsSpeedbor 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.