Place of Origin
Henan, China
Customized support
OEM, ODM
Brand Name
HENAN DRILLS-KING
Model Number
vacuum brazed diamond core drill bit
Position drill
Central position drills are available
working length
35mm or 50mm
Outer Diameter
6mm - 200mm
Welding Type
Vacuum Brazed
Drilling result
Flat surface and even size
Application
marble, sandstone, limestone, slate, etc.
Usage
stone, metal, concerte, wall.
Product name
wet and dry drill bits