Irwin 6-Piece Spade Bit, 1885479

This 1885479 Irwin Spade Bit set is designed to work with 1/4" and larger electric drills. They are suitable for personal or professional use. They feature Blue-Groove point and cutting edges for faster chip removal, which is four times faster than standard spade bits. Double cutting spurs scribe the outside of the hole, reducing breakout. There is a 10 percent larger shank for added durability. The grooved hex shank prevents slipping. This 6-piece spade bit set contains 3/8", 1/2", 5/8", 3/4", 7/8" and 1" spade bits and is an ideal addition to your tool collection.