4 Flute Spiral Quick Release Step Drill6-32mm Drills & deburrs in one processIdeal for: Non-ferrous metals, sheet steel, plastic & stainless steel up to 3mm thickSuits: Non-hammer action portable power drills Self-starting split point removes the need for a pilot hole 4 flute spiral design cuts faster with less vibration for fast, clean & accurate holes TiN coating reduces heat & increases lubricity for extended life Laser etched hole Premium HSS M2 raw material for extended life Non-slip 1/4 inch quick change shank Hangable 1 piece plastic card Technical information: Number of steps: 14 steps Step sizes: 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 & 32mm 1/4 inch shank