ITEM:2pcs 6mm Diamond Vacuum Brazed 5/8-11 Thread Drill Bits For Porcelain Tile Granite Quantity:2pcs Specification: Brand Name:HIGHDRIL Origin:China Diamond Mesh:#35/#40 Working Length:10mm Working Depth:35mm Total Length:60mm Thread:5/8-11" Diameter:6mm 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. 6-16mm 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.