HIGHDRIL Diamond Vacuum Brazed Triangular Shank Drill Bits for Granite Marble Masonry Hard Plastic Glass Ceramic Dia 6/8/10mm

ITEM:Diamond Vacuum Brazed Triangular Shank Drill Bits Quantity:1pc,2pcs,3pcs,5pcs Specification:  Brand Name:HIGHDRIL Certification:CE Certification Origin:China Is_customized:Yes Diamond Mesh:#40/#45 Working Length:10mm Total Length:65mm Diameter:6/8/10mm Material:Diamond Vacuum Brazed Application:  For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic and so on. Feature:1. Multifunctional, suitable for a variety of materials, to meet the needs of multiple scenarios;               2. Three sided handle design,handle diameter 10mm,more stable clamping, more stable drilling;               3. 10mm high emery at the top of the bit, which is densely arranged to make the drilling faster and longer service life;               4. 6-10mm internal wax cooling, dry drilling without water; When drilling, the wax will melt to lubricate and cool the drilling surface; There is a spiral groove on the top of the bit, which helps to improve the drilling efficiency a