Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling,Triangle Shank Drill?6+6/8/10/20/25/35/50/75/100mm&20finger bit&50chamfer bit?.

Additional Details from the Manufacturer

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More features

• Size Diamond drill bit -(6/8/10/20/25/35/50/75/100mm）diamond height 10mm, total length 65mm,with Triangle Shank
• Size --4/5"(1mm), 40mm workable length, hex shank, Grit #50/60, toal Length 65mm
• Size -- 2 Inch (50mm), 46mm workable length, hex shank chamfer bit, Grit #80, total Length 70mm,Top Angle 60 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
• Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck