Titanium-Coated High-Speed Steel (HSS) Step Drill Bit.
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Overview
Versatile Size Set – Includes 3 step drill bits (4-12mm, 4-20mm, 4-32mm) for precise, clean hole drilling across a wide range of diameters—ideal for DIYers, professionals, and metalworkers alike. Durable High-Speed Steel – Made from premium HSS with a titanium coating for increased wear resistance, heat resistance, and longer life even when drilling into tough materials. Automatic Center Punch Included – Spring-loaded center punch marks the drilling spot with accuracy and prevents bit walking, improving precision and efficiency on metal and other surfaces. Compatible with Most Drills – Can be used with gun drills, bench drills, and other standard drill drivers. Ensure to use water or coolant to reduce friction and extend tool life during use. Multi-Material Use – Perfect for drilling holes in sheet metal,