10Pcs 10-16mm SPHERICAL CONCAVE Head Diamond Grinding Bits Lapidary Carving Tools Code 100Q/120Q/140Q/160Q*3mm

Product Specification:

Product Name: Diamond Grinding Head

Head Shape: Spherical Concave Head

Head Diameter: 10/12/14/16mm 

Total Length: 45mm (1-3/4")

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

Quantity: 10 Pcs

Recommended speed: 5000-50000 RPM, electric grinder speed as high as possible.

The diamond mounted point can be installed on the electric grinder, hanging mill and hand electric drill (not included here). Never use drills while machine is in hammer action.

Product use:  Apply to stone carving, jade carving, gem peeled, bone carving, egg decorating, glass carving etc.

Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many the abrasive materials

Use with water as a lubricant

Note: carving must use cold water to cool the workpiece and the grinding head polishing, moment also can't do without water

We can list any size (head diameter from 0.8mm - 40mm) & amount of this product

Regular Air postage from China to Worldwide and takes 15-30 days delivery to your 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