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| Worldwide 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
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All our products are marked in accordance with ISO 525: 1999 (E). Our "Z-Bond" and "AlphaNumeric" Systems are explained below |
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| 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 |
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| 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