FACHLICH Diamond Drill Bit 4pcs/set Dia 6/8/10 mm Core Bits+20mm Chamfer Bit for Granite Marble Tiles Stone Ceramic M14 Thread

Item: FACHLICH Vaccum Brazed Diamond Drill Bits for Ceramic GraniteQuantity:  4pcs/set Connection:M14 Thread Specification:  *Diamond Core bits:  Diameter 6/8/10mm,Diamond height 10mm,Total length 60mm, Grit #35/40 *Diamond Chamfer Bit:  Diameter 20mm: Total length 40mm,  Workable Length 20mm, Top Angle 56°, Grit #80 Application: 1.Core Bit used for drilling ceramic tiles, granite, marble, stone, masonry and other materials; 2.Chamfer Bit used for bevelling, enlarging, grinding and polishing the exsit holes. 3.Fit with angle grinder. Feature:   Multifunction:Drilling+Chamfering,less debris,sharp,durable,meet various work needs; Vacuum brazed technology,higher efficiency and good finishing effect; Easy to store and carry,beautiful square box packaging,longer working life.