Irwin 3041021 1-1/2 Speedbor MAX Speed Bits 3/8 Quick Change Shank

Irwin 3041021 1-1/2″ 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: 1-1/2″, Flute length: 2-7/8″, Overall Length: 6″, Shank Size: 3/8″