Diamond Drill Bits 4pcs/set 6/8/10mm Core Bit+Adapter Granite Ceramic M14 Thread

Item: SHDIATOOL M14 Thread Diamond Drill Core Bits 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; *Adapter: M14 male thread to hexagon shank adapter, total lengt 53MM, shank length 28MM *Box Size: 13x10x3cm Application:  1. For Dry Drilling porcelain tile, granite, marble, ceramic,etc... 2. Adapter: M14 thread core bits can be fitted on hand drill or electric drill with hexagon shank adapter. Feature:  1.Wide application for drilling tile ceramic granite marble stone..... 2.Vacuum brazing technology provides longer service life than electroplating technology. 3.Comes with a plastic case, easy to carry and more economical.