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Drill bit set AWTools AW STEP TWIST M2-TiAlN 4–39 mm, step twist design, HSS with TiAlN coating
Summary description:
AWTools AW STEP TWIST drill bit set, M2 high-speed steel (HSS) with TiAlN coating, covers diameters from 4 to 39 mm. Step twist geometry provides progressive cutting diameters in a single tool, suitable for drilling and enlarging holes in metals and softer materials. Designed for use with standard drills and drill presses where staged hole sizing or deburring is required.