80 Grit 6-50mm Diamond Mounted Point SPHERICAL CONCAVE Head Grinding Bit

Description

Diamond Mounted Point 6-50mm SPHERICAL CONCAVE Head Grinding Bit Grit 80 Jade Carving Tools
Diamond grinding bit Spherical Concave head, Jade carving tools
Product Specification:
Outer Diameter
Internal Diameter
Shank diameter
Total length
Grit
6mm(close to 1/4")
5mm
6mm
50mm
80
8mm(close to 5/16")
6.8mm
6mm
50mm
80
9mm(close to 11/32")
8mm
6mm
50mm
80
10mm (close to 3/8")
8mm
6-8mm
51mm
80
11mm(close to 7/16" )
9mm
6-8mm
51mm
80
12mm(close to 15/32")
10mm
6-8mm
51mm
80
13mm(close to1/2")
11mm
6-8mm
51mm
80
14mm(close to 9/16" )
12mm
6-8mm
51mm
80
15mm (close to 19/32" )
13mm
6-8mm
51mm
80
16mm(close to 5/8" )
14mm
6-8mm
51mm
80
17mm(close to 43/64" )
15mm
6-8mm
51mm
80
18mm(close to 23/32" )
16mm
6-8mm
51mm
80
19mm(close to 3/4")
17mm
6-8mm
51mm
80
20mm (close to 3/4")
18mm
6-8mm
51mm
80
20mm (
close to
3/4"
)
18mm
6-8mm
51mm
80
21mm(
close to
53/64"
)
19mm
6-8mm
51mm
80
22mm(
close to
7/8"
)
20mm
6-8mm
51mm
80
23mm(close to7/8"
)
21mm
6-8mm
51mm
80
24mm(
close to
15/16"
)
22mm
6-8mm
51mm
80
25mm (close to 1"
)
23mm
6-8mm
51mm
80
26mm(
close to
1-1/32"
)
24mm
6-8mm
51mm
80
27mm(
close to
1-1/16"
)
25mm
6-8mm
51mm
80
28mm(
close to
1-1/8"
)
26mm
6-8mm
51mm
80
29mm(
close to
1-5/32"
)
27mm
6-8mm
51mm
80
30mm (
close to
1-3/16"
)
28mm
6-8mm
51mm
80
35mm (
close to
1-3/8"
)
33mm
6-8mm
51mm
80
36mm (close to 1-7/16")
34mm
6-8mm
51mm
80
38mm (close to 1-1/2")
36mm
6-8mm
51mm
80
40mm (close to 1-9/16")
38mm
6-8mm
51mm
80
42mm (close to 1-21/32")
40mm
6-8mm
51mm
80
45mm (close to 1-3/4")
43mm
6-8mm
51mm
80
48mm (close to 1-7/8")
46mm
6-8mm
51mm
80
50mm (close to 2")
48mm
6-8mm
51mm
80
Head Shape: Spherical Conc
ave Head
Quantity: Only 1 Pc
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.
Because 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 b
ead, etc.
Used for sculpturing, precision grinding in precious stone
,
ceramic, glass, many the abrasive materials
The speed of 2000-3000 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
.