FACHLICH Diamond Tile Drill Bits 25mm 2PK Porcelain Hole Saw with Hex Shank for Granite Marble Ceramic

【Size】2pcs,Diameter 25mm, Total Length 80MM,Diamond Height 10mm, Connection：Hex Shank.Diamond GrIt#35/40.Please see pictures for more details. 【Application】This kind of drill bit works great for drilling tile ceramic granite marble stone,etc.Dry drilling without water. 【Why choose us】Vacuum brazing technology provides longer service lIfe than electroplating technology (typically 3-5 times).More Heavy Duty and Wear Resistant than electroplated ones. Vacuum brazing is the most effective and precise way of making diamond tools. It makes the industrial diamond grains permanently brazed to the edge of steel core, creating an unbreakable and extremely heat resistant segments. 【Feature】High-concentration High-grade diamond provides a faster and more aggressive drilling.Less Chipping, Minimizing breakage, less heat generation, Better finish quality.Save your money and time. 【Machine】Suitable for various drilling rigs. Compatible with most angle grinder/driller,please 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.