[Outer Diameter 17mm]

Item Description:

3-20mm Diamond Mounted Point SPHERICAL CONCAVE Head Grinding Bit Grit 80 Jade Carving Tools

Product Name: Diamond grinding bit Spherical Concave head, Jade carving tools

Head Shape: Spherical Concave Head

Outer Diameter: 3 -20 mm

Quantity: Only 1 Piece

Please choose from the menu which option best qualifies your need. Available Head Diameter as below:

When you need to grind what diameter ball, please choose the same outer diameter of spherical concave head grinding bit

Such as: If you choose 20mm outer diameter of spherical concave head grinding bit, then you can grinding a 20mm outer diameter ball

The concave arc is not a semicircle (shallower than a semicircle)

Product use:

Apply to jade carving, stone carving, bone carving, glass carving etc. Especially suitable for forming and grinding spherical bead, etc.

Used for sculpturing, precision grinding in precious stone, ceramic, glass, many the abrasive materials

The speed of 2800-10000 r/min

The Diamond grinding head can be installed on the Bench drilling machine, hand electric drill (not included here). Never use drills while machine is in hammer action.

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 Provide other Size & Grit of the Diamond Mounted Point SPHERICAL CONCAVE Head

Item Specification:

DIY Supplies: Tiling

Type: Abrasive Block

Size: 3-20mm