Features: Premium carbide tipped annular cutter delivers faster cutting speed on stainless steel, iron, and alloy steel, Weldon shank for magnetic drill compatibility. Reduced friction and heat buildup, this annular drill bit ensures precise, clean cuts in high temperature environments while maintaining sharpness during prolonged use. Ideal for professional metalworkers, fabricators, and construction crews requiring efficient, drilling in workshops, industrial sites, or structural steel applications. Perfect for creating clean holes in thick stainless steel plates, iron beams, or alloy components during machinery assembly, infrastructure projects, or automotive repairs. The optimized flute geometry minimizes material deformation, making it a durable choice for heavy duty drilling tasks across carbon steel, copper alloys, and manganese steel. Specifications: Metal Steel Size: Approx. 50mm/1.97inch Package Includes: 1Pc Annular Cutter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.