10 pcs 6Mm Tungsten Carbide Drill Bit Set With Flat Hex Shank For Mirror Porcelain Marble

High quality cemented carbide. With improved head, it can prevent the drill bit from cracking and extend its service life. Pear point design. With strong toughness and wear resistance, solves the problem of drill bit drift and slippage. Cemented carbide lance can accelerate the cutting speed and prevent cracking. Low cutting resistance, improves trepanning speed, saves time. These drill bits will drill without chipping or cracking when properly used. Multi-function drill bit kit. Used for drilling glass, tile, porcelain, ceramic and other hard and brittle materials. Ideal for wood, metal, plastic, cement and other brittle materials. Package Dimensions: 16.1 x 13.9 x 1.7 cm; 190 grams 869 in Drill Bit Sets Features: The pointed tip reduces blowout and the bit has a carbide tip Used for drilling glass, tile, porcelain, ceramic and other hard and brittle materials. Carbide tip for fast cutting speed and longer life. Low cutting resistance, improves core drilling speed. This drill bit drills without chipping or cracking the material when used correctly. 6mm. 72mm.