11PCS Vacuum Brazed Diamond Core Drill Bits Set Hole Saw Round Shank Tile Chamfer Kit for Porcelain Ceramic Marble Granite Brick

Diameter 6/6/6/8/10/12/20/25/28/32mm, Diamond Height 8/10mm, Total length 65mm
2.Chamfer Bit:Hexagonal shank

Diameter 35mm, Diamond Height 35mm, Total length 65mm

3.Package Size:19*13*9CM

1.Vacuum brazing technology provides longer working life; 

2.Wet and dry, with comprehensive specifications and a wide range of applications, it can meet different needs; 

3.Using high-quality base steel and diamond, combined with scientific ratios to create a steady increase in efficiency; 

4.20MM and above 4 U groove design, conducive to debris and heat dissipation, better performance; 5.6-14MM plug cooling wax, play the role of cooling lubrication; 

6.Drilling fast and smooth, reduce debris, reduce breakage, neat and smooth; 

7.Handle aluminum box packaging easy to carry.