Diamond Drill Bit BRSCHNITT 1/4 1/4 Masonry Drill Bits Set for Porcelain Tile Ceramic Stone Granite Marble,Hex Shank Diamond Hole

Wide Applications–Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic with ease. Using water could prolong the lifetime Widely Use–Carbide Triangular Drill bit mainly used to provide accurate positioning for diamond bit, Size –5pcs/pack 1/4″ 1/4″ 5/16″ 3/8″diamond drill bit&1pc Carbide Drill bit, diamond height 8mm, total length 65mm,quick-fit 6.5mm,diamond grit #50/60 of diamond core drill bit Diamond drill bit–Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform Machine –Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck