Hex Fine Pitch Thin Nut, DIN 439-B, Class 4, Self Coloured

A Non heat- treated Hex nut approximately 1/2 the thickness of a Full nut
 
Often called a Jam nut because of its use in a locking assembly
 
Class 4 is the lowest Grade Steel used for nuts
| Material Grade | Class 4 | 
|---|---|
| Finish | Self Coloured | 
| Thread | Metric Fine | 
These products comply with the following standards:
| DIN 439-2 | Hexagon thin nuts - Product grades A and B | 
|---|
            
            
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