Diamond Core Drill Bits Kit - 11pcs (6/6/8/20/25/28/35/45/50/65mm+35mm Beveling Chamfer Bit) Tile Hole Saw Kit with Triangle Shank for Porcelain Tile Ceramic Granite Marble Masonry Stone. 【APPLICATION 】Using for dry or wet drilling, grinding, beveling, enlarging, shaping and reaming in Porcelain Ceramic Tile Marble Granite Stoneware Quartz Microcrystalline Stone Artificial Stone.
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