Diamond Drill Bits 4pcs/set Granite Marble Porcelain Tile Ceramic M14 Thread

Item: SHDIATOOL M14 Thread Diamond Drilling Chamfering Dry Hole Saw Kit Quantity:  4pcs,with Plastic box Connection: M14 Thread Specificiation  *Diamond Drilling Bits Diameter: 6/8/10mm,Diamond height: 10mm,Total length: 60mm; *Diamond Chamfer Bit Diameter: 20mm, Working length: 20mm,Total length: 40mm,Top Angle: 56°,Grit #80; *Box Size: 13x10x3cm Application: For Dry Drilling and Chamfering porcelain tile, granite, marble, ceramic,etc... Feature:  1.Multifunctional: Drilling + chamfering sets and different sizes easily solve the work requirements. 2.Vacuum brazing technology, durable and heat resistant. 3.Comes with a plastic case, easy to carry and more economical.