Engineered with coated surfaces, these 5PCS twist drills deliver 40% enhanced durability and superior wear resistance, ideal for steel, metal, and aluminum alloy drilling universally sizing and straight shank compatibility streamlines tool changes across drill presses, hand drills, or machines, ensuring seamless workflow in multimaterial applications Perfect for professional metalworkers, automotive technicians, and enthusiasts requiring reliability tools for heavy duty metal fabrication or home improvement projects The precise spirals flute design ensures rapid chip removal and reduced friction, while coating minimizes overheating during high speed drilling up to 1200RPM Tackle demanding tasks in workshops, construction sites, or garage repairs, drilling through thick iron plates, alloy pipes, or stainless steel fixtures with consistent precise, Manufacturer: XAGMODSHN