Irwin Tools 49920 Power Drill I-100 Auger Bit, 1-1/4" BF15 Use GBK14P ground bar if

Use GBK14P ground bar if required

plaster & concrete

With push rod

Extended Performance diamond matrix provides 350x's the life of conventional abrasives and enhanced material removal

Hardware included

Irwin Tools 49920 Power Drill I-100 Auger Bit, 1-1/4" BF15 Use GBK14P ground bar ifSolid center design provides extra rigidity while boring. Wide lands keep the bit straight as it bores through the hole. The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut. Coarse screw point provides fast boring in hard and soft woods. Diameter: 1 1 4" Shank size: 7 16" Power drill I 100 Solid center design provides extra rigidity while boring Wide lands