Screw Truss 7X70 Thread Length: 40 T30 cut Type 17 Drilling Point Zinc Plated Cr3 96...
- 1 unit
- 50 units
- 500 Units
- 1600 Units
screws
nuts
washers
Threaded Rod
Boxes / Tools
Chandlery
| Number of pieces | 1 | 10 | 30 | 200 |
| Lot price VAT included | £3.69 | £7.33 | £8.85 | £17.79 |
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.
| Diameter | 4 | 4.5 | 5 | 6 |
| empreinte | T20 | T20 | T20 | T30 |
| Head diameter | 10.5 | 11.5 | 12 | 15 |
| e | 1.7 | 2.6 | 2.9 | 3 |
fixing in solid wood fixing of shear panels
fixing plate to frame 7x50 hinge screw
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2026-01-25
fixing wooden bracing panels to the frame 7x50 screws