Diamond Mounted Point SPHERICAL CONCAVE Head Grinding Bit 25-40mm Grit 400 Jade Carving Tools

Diamond grinding bit Spherical Concave head, Jade carving tools

Head Shape: Spherical Concave Head

Grit:  400 Fine

Quantity: Only 1 Piece

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

Outer
Diameter

Internal
Diameter

Shank
Diameter

Total
Length

Grit

25mm (1")

23mm

6-8mm

51mm

400

26mm (1-1/32")

24mm

6-8mm

51mm

400

28mm(1-1/8")

26mm

6-8mm

51mm

400

30mm (1-3/16")

28mm

6-8mm

51mm

400

32mm (1-1/4")

30mm

6-8mm

51mm

400

34mm(1-11/32")

32mm

6-8mm

51mm

400

38mm (1-1/2")

36mm

6-8mm

51mm

400

40mm (1-9/16")

38mm

6-8mm

51mm

400

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 2000-5000 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