DIN 985 Lock Nuts
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- • Grades: AISI 316 | AISI 304
- • Material: Stainless Steel
- • Thread Types: Metric | UNC
- • Standard Compliance: DIN 985
Vibration destroys rigid assemblies. When you run a diesel generator or a high-speed winch, standard nuts will inevitably vibrate loose. The nylon insert in the DIN 985 lock nut deforms around the bolt thread, creating a friction lock that refuses to back off. You tighten it once, and it stays. We see shipyard crews specify these exclusively for deck hardware and moving machinery.
- Perfect for: Deck hardware, engine mounts, high-vibration machinery.
- Not ideal if: The application exceeds 120°C (250°F), which will melt the nylon insert.
DIN 985 Lock Nuts Specifications
~ Nylon insert lock nuts to prevent loosening.
| DIN 985 Lock Nuts | |
|---|---|
| Available Sizes (mm) | Available Sizes (in) |
| 3mm | 1/4" |
| 4mm | 5/16" |
| 5mm | 3/8" |
| 6mm | 1/2" |
| 8mm | 5/8" |
| 10mm | 3/4" |
| 12mm | 1" |
| 14mm | |
| 16mm | |
| 18mm | |
| 20mm | |
| 22mm | |
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