MILWAUKEE TOOL 48-20-4078 3/4 in. x 22 in. 2-Cutter Spline Rotary Hammer Drill
$29.89
Spline Drill Bit, Spline, 3/4 in, Carbide, 22 in Overall Length, Maximum Drilling Depth 17 in, Shank Diameter 3/4 in, Shank Hex Size Not Applicable, Bright