FACHLICH Diamond Drill Core Bits Set 20/25/35/50mm Tile Hole Saw Kit Vacuum Brazed M14 Connection for Porcelain Granite Marble

【Size】Quantity: 4pcs; 20/25/35/50mm diamond core drill bits; Diamond Height: 10mm; Total length: 60mm; Connection: M14 thread. Please see the photos for more details. 【Application】Designed for dry drilling in porcelain stoneware, ceramics, natural stone tiles, marble, granite, tiles, hard floor tiles and so on. Wet using can prolong its life. 【Why choose us】The design of 4MM wide lightning tooth cutter head is conducive to the discharge of debris. High-quality and temperature-resistant diamonds ensure professionally clean and fast drilling. Vacuum brazing is the most effective and precise way of making diamond tools. It creates an unbreakable and extremely heat resistant segments. 【Feature】Vacuum Brazed Diamond Technology:More Heavy Duty and Wear Resistant than electroplated diamond bit,provide very high efficiency,cuts faster,durable and sturdy. High-quality base steel provides high-strength work support. 【Machine】Compatible with most angle grinder/driller,use the adapter to switch freely between the two machines. Easy to operate. If you have any problem when you use the product, please feel free to contact us for satisfactory customer service.