Porcelain Tile Drill Bits 6mm MINLAYCUT 5PCS Diamond Hole Saw Core Bit with Triangle Shank for Ceramic Granite Marble

✔Size --5pcs,1/4"(6mm), diamond height 10mm, total length 65mm,Triangle shank diamond core drill bit ✔Wide Applications - for dry drilling holes through hard porcelain tile,ceramics,bathroom tile,granite, marble, masonry ✔6-10mm have cooling wax inside to help cool the bit when dry drilling. ✔Vacuum brazed technology provides fast and stable drilling ✔Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck.