10Pcs 8mm 5/16"inch SPHERICAL CONCAVE Head Diamond Grinding Bits Tools for Stone

Description

10Pcs 8mm
5/16" Diamond Mounted Point SPHERICAL CONCAVE Head Grinding Bit for
Jewelry Gems
Glass Tile Ceramic Marble Granite Code 80Q*2.35
Product Specification:
Product Name:
Diamond Carving Burrs, Diamond Burs for Stone Carving
Head Diameter :         8 mm (5/16")
Total length :             1-21/32" (42mm)
Shank diameter:        2.35mm ( Close to 3/32")
Head Shape:      Spherical Concave Head
Quantity:   10 Pcs
S
peed:                       2800-10000 RPM
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
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 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.
We Can List Any Size (Hole Diameter from 3mm - 10mm)
& Amount Of This Product
Regular Air postage from China to United States is
FREE
and takes 15-25 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. Should you have any queries, please contact me directly.
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