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Jowitt
Bridge Way
Broombank Road
Chesterfield Trading Estate
Chesterfield

S41 9QJ
United Kingdom
Tel: +44 (0)1246 572230
Fax: +44 (0)1246 572249

web: www.jowitt.com
e-mail: sales@jowitt.com
 

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The Jowitt Marking System

All our products are marked in accordance with ISO 525: 1999 (E).

Our "Z-Bond" and "AlphaNumeric" Systems are explained below

The Z-Bond Explained
Abrasive Type Grit size Grade Bond type Other
WA 36 K B Z
A - contains aluminium oxide.
C - contains silicon carbide.
Z - contains Zirconia.
Coarse:
14
16
20
22
24


Medium:
30
36
40
46
50
54
60


Fine:
70
80
100
120
150
180

Soft
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
Hard
B = Resinoid Manufacturers' special markings

The AlphaNumeric Bond Explained
Abrasive Type Grit size Grit split Grade Structure Nature of bond Other
MA 24 1 M 7 B 14
A - contains aluminium oxide
C - contains silicon carbide.
Z - contains zirconia.
Coarse:
14
16
20
24


Medium:
30
36
46
54
60


Fine:
80
100
120
150

1 or 2 Soft
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
Hard
1 to 14 B = Resinoid Manufacturers' special markings

The Jowitt website features our wide range of grinding services including rail track grinding and manufacturers of grinding discs, grinding segments, and resin bonded grinding wheels for surface grinding. Products available include grinding discs, cylinder wheels, grinding segments, centreless peripheral wheels and grinding compounds. We also supply specialised CBN and diamond products in resin, metal or vitrified bonds

Resin Bonded Grinding Wheels - Grinding Wheels Segments - Bonded Grinding Wheels - Fettling Wheels - Roll Grinding Wheels - Inserted Nut Cones and Plugs - Abrasive Wheel Manufacturers - Peripheral Wheels - Surface Grinding Wheels - Abrasive Compounds

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