Irwin 3041014 9/16 Speedbor MAX Speed Bits, 1/4 Quick Change Shank

Irwin 3041014 9/16″ Speedbor MAX Speed Bits, 1/4″ Quick Change Shank

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.Diameter: 9/16″, Flute length: 1-7/8″, Overall Length: 6″, Shank Size: 1/4″