Self Drilling Countersunk Head Square 3.9X25 Square 2 Zinc Plated
- 1 unit
- 10 units
- 100 units
- 500 Units
screws
nuts
washers
Threaded Rod
Boxes / Tools
Chandlery
| Number of rolls | 1 |
| Lot price VAT excluded | €24.20 |
How do I measure the length of a screw?
The length of a countersunk screw is measured with the head. For all other heads, the length is measured under the head.
How do you measure the length of a threaded rod?
The length is measured from one end to the other.
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All our zinc-plated parts meet this specification (unless otherwise stated).
🛡️ Corrosion protection: low
Thin 3 to 5 µm zinc coating, suitable for environments with low exposure.
🧂 Salt spray resistance: 24 to 96 h
Indicative resistance before the appearance of rust, depending on the coating finish.
🏠 Recommended environment
Indoor applications or environments with very low exposure to moisture.
🔩 Threads preserved
The low coating thickness limits dimensional variations and helps maintain thread accuracy.
| diametre | 3.9 | 4.2 | 4.8 |
| Head diameter | 7.5 | 8.1 | 9.5 |
| Head Tickness | 2.3 | 2.5 | 3 |
| sq | 2 | 2 | 2 |
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