Chipboard Screw Tekor Countersunk Head With Serration 4X40 Thread Length: 24 T20 Head...
- 1 unit
- 10 units
- 30 units
- 200 units
- 800 Units
screws
nuts
washers
Threaded Rod
Boxes / Tools
Chandlery
| Number of pieces | 1 | 10 | 100 | 500 | 2000 |
| Lot price VAT included | £0.43 | £0.87 | £1.13 | £5.42 | £19.78 |
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.
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.
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2026-09-27
For OSB on metal studs 2000 x Self-drilling screws, T-shaped, TORX T20, 4.2 x 25 mm, zinc-plated steel