Professional 30Pcs Diamond Coated 2mm Cone Carving Burrs Grinding Bits Grit 150 Rotary Point Shank 3mm Code: jpxj-2mm-45-30Pcs 

New one box set of 30 Pcs diamond coated grinding burrs / pointed heads in box set
Specifications and shapes:
Product Name: Gemstone carving tools, Diamond carving burrs
Heads Shapes:      Tapered Point / Cone /Conical
Heads diameter:   2mm
Total length:          45mm (1 3/4" inch)
Shank diameter :  3mm (close to 1/8")
Suitable for dremel, electric grinder, carving machine, machinery supporting assembly with a 1/8" collet
Grit :   150 (medium)
Premium type diamond coated in grit 150 (medium), more durable than the ordinary diamond coated burr.
Use with water as a lubricant is better
Suitable for use in grind the edge of glass, marble, rock, shells, tile or jewelry.

Regular Air postage from China to Worldwide and takes 10-30 days delivery to you home 

We will send out your order within 1-2 days after payment has been received and cleared. 

Please let us know if you are looking for other accessories or hardware.  

Just a friendly reminder: The Shank diameter of grinding bit is 3mm (close to 1/8 inch)

If your chuck of Dremel is 3mm (1/8 inch) or Universal 3-jaw chuck, then the grinding bit can be installed directly

However, it is NOT suitable for machines with 3/32 inch chuck, such as Electric Nail Drill