• Metal hole saw drill bit. • Tungsten carbide tooth hole cutter. • Ideal for stainless steel sheet, metal, alloy, iron, and wood. • Industrial quality with tungsten tip for greater durability. • Fast and precise cutting in various materials. • Optimized design for easy and smooth penetration. • Non-slip rod with 3 flat surfaces. • Compatible with hand and bench drills. • Maintain at low speed to prolong lifespan. • Add coolant on steel sheets thicker than 5 mm.