Irwin Speedbor 1" Standard Length Spade Bit Blue-Groove point and cutting edge for quicker chip removal - 4x quicker than standard spade bits Double cutting spurs scribe the outside of the hole...
Irwin 88812 Speedbor 3/4 x 6" Spade Bit Blue-Groove point and cutting edge for quicker chip removal - 4x quicker than standard spade bits Double cutting spurs scribe the outside of the hole reducing...
Irwin 88807 Speedbor 7/16 x 6" Spade Bit Blue-Groove point and cutting edge for quicker chip removal - 4x quicker than standard spade bits Double cutting spurs scribe the outside of the hole...