Irwin 99716 99716 - FLAT BIT 1" X 16"

Irwin 99716 1" X 16" Bulk Speedbor Blue Groove Wood Bit. 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 or bit extension Fits all standard quick change chucks Not for use with bit extensions. Diameter: 1" Shank Length: 16" Shank Size: 1/4".