8Pcs diamond head mounted points bit
 

Cylindrical tip, diamond coated head. Can be installed on the electronic grinder, hanging mill and hand electric drill . Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials.

Specifications:
Tip Shape:Cylindrical.
Material:Emery.
Head Diameter:2.5/3/4/6mm(0.09/0.12/0.15/0.23inch).
Shank Diameter:2.35mm(0.09inch).
Color:Silver Tone.
Total Length : 42-50mm/1.65-1.96inch.