Irwin (928) 11102CB UNIBIT® 4MM-12MM COBALT STEP DRILL, 5 STEPS

11102CB Unibit® Cobalt High Speed Steel Metric No.2M Step Drill - 5 Steps. 6X Longer life vs. the competition. Engineered with M35 Cobalt steel for maximum life when drilling in tough stee. Speedpoint™ tip. Radial concave flute. SpeedPoint® tip for fast starts. Laser marked sizes. Description: No.2M. Hole Sizes: 4 mm - 12 mm (2 mm Increments). No. of Holes: 5 Steps. Hex Shank Size: 1/4".