Product Review

For fast, rough or clean and exact holes, irwin's extensive line of woodboring drill bits provide the user with the best available tools for each application in achieving their wood drilling needs.. Blue-groove point and cutting edge for faster chip removal - 4x faster than standard 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 or bit extension. Fits all standard quick Change chucks.