New one box set of 30 Pcs diamond coated grinding burrs pointed heads in box set

Specifications and Shapes:

Product Name: Diamond Ball Burrs, Round Grinding Stone, Diamond Burs for Stone Carving

Heads Shapes: Ball / Sphere

Heads Diameter: 1 / 1.5 / 2 / 2.5 / 3 / 4 / 5mm (Please select the Head Diameter which you need)  

Quantity: 30Pcs (A box)

Shank Diameter: 3mm (close to 1/8 inch)

Suitable for dremel, electric grinder, carving machine, machinery supporting assembly with a 1/8" collet.

Grit: 150 (Medium)

Premium type diamond coated, more durable than the ordinary diamond coated burr.

Use with water as a lubricant is better.

Suitable for use in grinding the edge of glass, marble, rock or jewelry. 

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.