7Pcs Tungsten Carbide Triangle Drill Bit for Ceramic Tile Concrete Glass 3-12mm

Features: * brand new and high quality. *High Hardness and Durable: Made of high-quality alloy material high hardness and wear resistance can be used for a long time. *Useful: A spiral shaft increases stock removal to leave cleanly drilled holes also brings fast drilling dust to remove and 3-flats shank allows drill bit easy plug and to be held tightly. *Multi Sizes: 7pcs in 7 different sizes to meet different depths and widths of the hole. Suitable for most bench drill electric drill and drilling machine with drilling function. *Widely Use: Suited to brick block stone light concrete ceramic hardwood board glass marble materials etc. Specifications: Materials：Cemented Carbide Color：Black Shape：Triangular shape handle Size ：3/4/5/6/8/10/12mm Note： When drilling hard material (glass porcelain floor tile marble or granite) please use water for lubrication. Package Contents : 7*Drill Bits