Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling, 9pcs Diamond Drill Bits 6/8/10/20/25/32/35/50mm bits &1 3/8“ Chamfer bit - BDB54909405R102

• UPC   791180055415
• ✔Size Diamond drill bit-1/4" 5/16" 3/8" 1" 1-1/4" 1-3/8" 2"（6 8 10 20 25 32 35 50mm）diamond height 10mm, total length 65mm,with Triangle Shank ✔Size Diamond chamfer bit :1-3/8" Inch (35mm), 35 mm workable length, Grit #80,with Hex Shank total lenght 62mm Top Angle 53 degree, ✔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 ✔Super Quality Raw Material --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