Place of Origin
Henan, China
Model Number
diamond drill bit
Position drill
Central position drills are available
Outer Diameter
10MM, 15MM, 20MM
Welding Type
Vacuum Brazed
Product name
diamond crowns
Grit
30/40,40/50, or as your requirement
Color
gold, black, red, blue, or as your requirement
Shank
M14, hexagon, round, etc