Irwin I-100 Series 49908 Power Drill Auger Bit, 1/2 in Dia, 7-1/2 in OAL, Solid Center Flute, 1-Flute, Hex Shank tools--07-20-26 Grooved hex shank prevents slipping

Grooved hex shank prevents slipping in drill chuck or bit extension

precise cuts

porcelain and most gauged stone tile on walls or floors

Water Spray

Irwin I-100 Series 49908 Power Drill Auger Bit, 1/2 in Dia, 7-1/2 in OAL, Solid Center Flute, 1-Flute, Hex Shank tools--07-20-26 Grooved hex shank prevents slippingFull length heat treated bit with 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. Single spur cutting edge scribes the circumference of the hole, coarse screw point provides fast boring in hard and soft woods. All bits have a 4 1 2 in twist length and a 7 1 2 in overall length. Special opening in head allows both wire and