HIGHDRIL Diamond Vacuum Brazed Hexagon Shank Drill Bits for Granite Marble Masonry Hard Plastic Dia 6-38mm

ITEM:Diamond Vacuum Brazed Hexagon Shank Drill Bits Quantity:1pc,2pcs,5pcs Specification:  Brand Name:HIGHDRIL Certification:CE Certification Origin:China Diamond Mesh:#35/#40 Working Length:10mm Material:Diamond Vacuum Brazed Is_customized:Yes Total Length:68/80mm Diameter:6/8/10/12/14/16/18/20/22/25/30/32/35/38mm Application:  For drilling granite , marble, masonry, concrete, tile,ceramic, glass, hard plastic and so on. Feature:         1. The cutting-edge vacuum brazing process has greatly improved the product quality and service life, higher efficiency and lower cost;          2. Multi functional design, suitable for a variety of materials to meet the use needs of different scenes;          3. Hexagonal handle design, opposite handle diameter 8.3-10mm, more stable clamping and more stable drilling;          4. 10mm high emery at the top of the bit, which is densely arranged to make the drilling faster and longer service life;          5. 6-14mm internal wax cooling, dry drillin