2 Flute Spiral Step Drill6-36mm Drills & deburrs in one processIdeal for: Non-ferrous metals, sheet steel, plastic & stainless steel up to 3mm thickSuits: Non-hammer action portable power drills Made in Germany Self-starting split point removes the need for a pilot hole 2 flute design for smooth cutting TiN coating reduces heat & increases lubricity for extended life Laser etched hole Premium HSS M2 raw material for extended life 3 flats on shank, prevents slippage in chuck Bulk 1 piece convenient plastic pack Technical information: Number of steps: 11 steps Step sizes: 6, 9, 12, 15, 18, 21, 24, 27, 30, 33 & 36mm 10.0mm shank