BGTEC Diamond Drill Bit 3/4pcs Dia 6/6/8/10mm Core Bits+Hex Adapter/Chamfer Granite Marble Porcelain Tile 5/8"-11 Thread

Item: BGTEC 5/8-11" Thread 1set Plastic Box Diamond Drilling Bits For Porcelain Tile Granite Marble Size:  1. Core Bits: Diameter 6/8/10mm, Diamond height 10mm, Total length 60mm, Grit #35/40; 2. Chamfer Bit: Diameter 4/5'' 20mm, Working length 20mm, Total length 40mm, Grit #80; 3. Hex Adapter: Total length 53mm, Shank Length 28mm. Application： 5/8-11" Drill bit: Dry or wet drilling for Ceramic Tile, Porcelain Tile, Granite, Marble, Artificial Stone, Quartz, etc; Chamfer Bit: Dry or wet enlarging holes/ beveling holes/grinding edges for Tile, Porcelain,Marble,granite,Ceremic, etc; Hex Adapter: Good quality steel, long life, and Surface Nickel plating.                       5/8"-11 thread core bits can be fitted on hand drill or electric drill Feature:     1. High quality emery with high hardness and compactness, Long service life;     2. Good finishing effect, Reduce debris, damage and material loss;     3. Internal wax cooling, Accelerate heat dissipation and avoid burning.     4.