ITEM:Diamond Vacuum Brazed 5/8-11 Thread Drill Bits For Porcelain Tile Granite Quantity:1pc only Specification: Brand Name:HIGHDRIL Origin:China Diameter:6mm Total Length:60mm Working Length:10mm Working Depth:35mm Diamond Mesh:#35/#40 Applicable Machine:Angle Grinder Is_customized:Yes Material:Diamond Technology:Vacuum Brazed Certification:CE Certification Application:Dry or wet drilling for Porcelain Tile, Granite, Marble, Stone, Masonry, Brick ,etc. Feature: 1. It adopts vacuum brazing technology to produce, which greatly improves the working life, saves costs and is cost-effective; 2. The perfect combination of high-quality steel body and high-quality diamond, drilling is fast and stable, and feels good; 3. 6mm containing cooling wax; 4. U-groove tooth shape is sharper, improves product performance and facilitates the discharge of debris; 5. Minimize the damage, the drilling and finishing effect is good, neat and smooth.