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Sheet metal screw connections in sanitary and heating installation.
Use in damp rooms and outdoor applications without significant levels of chlorides or sulphur dioxides.
The sheets of the parts to be screwed together must be larger than the thread pitch of the screw selected.
| Diameter (d) | 3,5 mm |
| Total length (l) | 50 mm |
| Type of thread | Sheet thread |
| Head shape | Countersunk head |
| Diameter of head (dk) | 6,8 mm |
| Height of head (k) | 2,1 mm |
| Measurement m (m) | 4 mm |
| Drive size | PZ2 |
| Drive shape | Pozidrive |
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