Irwin 88708 Speedbor 1/2" x 16" Extra-Long Spade Bit

Description

Extra-Long Spade Bits - Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits. Double cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability. Grooved hex shank prevents slipping in drill chuck. Fits all standard quick change chucks. Not for use with bit extensions.