Diamond Drill Bits, Triomphe Tile Drill Bits, 2PCS 6mm/8mm, Drill Bits with M14 Thread, Vacuum Brazed Drill Bits, for Dry Drilling Porcelain Tile Granite Marble, Drilling Tile

【2 SIZE IN 1】2 different diameters in one package: Black 6mm, 8mm. Additionally, the 2-piece diamond drill bits are placed in 2 boxes?Separate plastic boxes that you can easily find and use. 【Easy Operation】Applied for DRY or WET drilling. You can work in all conditions. The perfect tools are at your fingertips. You can also do the same great work as a ma?be! 【Multiple Applications】Perfect for porcelain, glass block, ceramic, ceramic tile, granite, marble, quartz, limestone, fiberglass terrazzo, masonry.ironwork, quartz stone and sandstone. 【Reasonable size】For 6mm/8mm, Thanks to the sharp and extremely hard diamonds, the diamond drill bit ensures clean and fast professional drilling. Thanks to high-quality industrial diamonds, the reamer bit has a fast cutting speed.【High quality】Thanks to the sintered diamond segment and maximum precision, the cup wheel has a long service life. Sintering achieves high fracture toughness, which makes the diamond material less sensitive to impact. It has particularly high strength and heat dissipation, which prolongs its service life. In addition, the cup wheel is of high quality, temperature resistant and reduces vibration