Diamond Hole Saw 40mm,LAIWEI Glass Drill Bits,Porcelain Bits,Granite Bits,Marble Bits,Electric Bits,Ceramic Bits,Cutting Diameter(1 9/16(40mm))

⭐ LAIWEI quality: The diamond hole saw 40mm core drill is made of high-strength 45# steel, which is more wear-resistant and durable than ordinary steel. Cutting diameter 28mm, cutting depth: less than 20mm thick, shank size: diameter 10mm. ⭐ Cutting edge thickness: The thickness of the diamond grit on the cutting edge of the glass drill is about 2mm, while the thickness of the ordinary diamond hole saw is only 1mm. The emery and the cutter head are combined with Levi's original brazing technology. Make it stronger, more durable and sharper. Cuts will be smoother and holes will be more perfect. ⭐ Wide range of applications: Porcelain drill bits are widely used to drill holes in glass, ceramics, ceramic tiles, granite, limestone, marble and other materials. ⭐ Heat dissipation hole design: The ceramic drill body has heat dissipation holes to accelerate heat dissipation. It is worth noting that water needs to be added to keep the water moist during the excavation process, so that a more perfect hole can be obtained. Granite bits are also more durable. ⭐ High adaptability: Lewei marble drill bits are suitable for most electric drills, impact drills, CNC drilling machines, bench drills, cordless electric drills, cordless drives, etc.