10PCS Diamond Core Drill Bit Chamfer Saw Blade Set For Stone Porcelain Granite Tile Marble Brazed 20-100mm Dry Diamond Hole Saw

Chamfer Bit: Dia:2''  Working length 46mm  Total length: 55mm, Grit #80/100

Saw Blade: Dia:4.5inch/115mm  Bore:22.23mm  Diamond Height:10mm

Adapter: Hex Shank/SDS Shank to 5/8''-11

Package Size: 24*17*10CM

（1）Vacuum Brazing Technology provides the strongest bond between diamond grit and the steel tube body of core bit, work more sturdy than ordinary drills and longer working life.

（2）The plating process makes for a harder, longer lasting electroplated bond so these drills will hold up well to consistent use,but once the diamond layer is gone they will need to be replaced.
（3）Take the core drill bit out of the hole while you are drilling frequently.
（4）Drilling+Milling+Cutting Set,meet different working needs.
（7）The core bits can be used in either drill press or hand held drill, including cordless drills.
（8）Lightning teeth design; conducive to debris and heat dissipation, better performance;