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Tooled Up£0.49Visit shop Sirius Light A4 316 Hex Full Nut Stainless Steel
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The Range£16.50Visit shop Unifix A4-316 St/St Full Nuts Din 934 - M5 X 0.80 - Q409340000500000000 - Grey
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The Sirius Full Nuts DIN 934 in M5 size are essential fasteners designed for professionals and hobbyists who require reliable, high-strength connections in demanding environments. These silver-finish nuts are particularly well-suited for marine and outdoor projects due to their excellent corrosion resistance, though users must ensure they match the M5 thread pitch specifically to avoid cross-threading during installation.
| Colour | Silver |
|---|---|
| Model Part Number | Q409340000500000000 |
| Brand | Sirius |
These are M5 nuts, meaning they are designed for a 5mm metric thread.
Yes, they are made from 316-grade material, which is highly resistant to corrosion and suitable for outdoor and marine environments.
DIN 934 M5 nuts typically require an 8mm wrench or socket for tightening.
Yes, but ensure both the bolt and nut are clean to prevent thread galling during installation.
No, this product consists of the hex nuts only. Washers should be purchased separately if required for your application.
Verify the bolt is an M5 thread; the nut may be slightly misaligned, so back it off and try to restart carefully.
Check that the bolt length is appropriate for the task; you may need a lock washer or thread-locking compound to prevent vibration-induced loosening.
To ensure a secure setup, always pair these M5 nuts with bolts of the same diameter and thread pitch. Avoid using power tools for the initial engagement, as this can lead to cross-threading; start the nut by hand until you feel the threads engage. For maintenance, simply wipe the nuts with a dry cloth periodically. If used in a marine environment, rinsing with fresh water after exposure to high salt content will further extend the service life of the silver finish.
