Hammer Drill Bit, 4-Cutter, Round Cut Shape, Hole Drilling, 2 -Flute, Spiral Flute, Spline Shank, Carbide

Metabo's Spline shank bits are made with a 4-Cutter design. Their unique head design reduces friction in the hole for faster drilling, while large volume double spiral flutes provide rapid dust removal. Their patented flute design minimizes vibration and noise and the entire bit is designed to drill precise round holes for ease of anchor installation and stronger anchor holding.