Dual-step replaceable tip step drills featuring a high-speed steel (HSS) Co (8% Cobalt) construction for exceptional durability and extended lifespan. Coated with titanium aluminium nitride (TiAIN) for high performance in drilling high tensile materials like stainless steel. Equipped with 3 spiral flutes for smoother and faster drilling, ensuring a clean hole finish. Can be easily resharpened for continued use.
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