Alpha 4-12mm Spiral Flute Step Drill 9STSFM4-12S4 12mm Spiral Flute Step Drill 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 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
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