1. Specification of vacuum diamond core drill bit
 
Application: vacuum diamond core drill bit for stone, granite, ceramic and other hard materials.
 
Diameter : 20 /35/ 40 /50/ 68 mm
Thread : M14,5/8-11UNC
 
Smooth cutting surface and high cutting speed 
  
Special application and design are available upon request
 
2. Advantage of vacuum diamond core drill bit
 1) For stone, concrete, brick, tile, glass, fiberglass, etc
 2) Perfect safety, excellent fast, high efficiency and complicated shape
 3) Rather longer life than the electroplated tools.
4)Various diamond grain and grade to meet various application-cutting, drilling, grinding.
  5) Environment friendly
 
Features of vacuum diamond core drill bit
Wet use preferred especially when drilling hard material
M14, 5/8-11 Thread
Teeth type: Continous Rim