diamond coated drill bit
Sharp,wear-resisting
Don't jumping edge
Long service life
Port: shanghai
Minimum Order Quantity: 20 Piece/Pieces no
Supply Ability: 1000 Piece/Pieces per Week no
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: in carton
Delivery Detail: within 7 days
diamond coated drill bit
Material: Carbon steel and synthetic diamond
Advantage: Can mill marble, granite, ceramic, glass,etc.
Note: Add water to cool and lubricate