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

Specifications and shapes:

Heads Shapes: Cylindrical Ball Nose

Heads diameter:   1.5 / 2 / 2.5 / 3 / 3.5 mm ( Please select the Head Diameter which you need )

Quantity: Only 30 Pieces

Total length: 45mm (1 3/4" inch)

Shank diameter: 3mm (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, jewelry, shells, tile and gemstone.

Diamond grinding head is ideal tools for grinding mold, hard alloy, glass apparatus, jade carvings

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