DIN 985 Nyloc Nuts
Product introduction
DIN 985 Nyloc Nuts specifies thin hexagon nuts with a non-metallic polyamide locking insert. The nylon ring deforms during installation, creating prevailing torque that resists loosening under vibration. These nuts offer reliable locking performance in space-constrained assemblies.
Common Specifications
|
Materials |
Carbon steel |
|
Class |
5, 6, 8, 10 |
|
Range |
M3 – M48 |
|
Thread |
Coarse , Fine, Extra Fine, Special-Fine |
|
Surface |
Plain, zinc plated, hot-dip galvanized, GEOMET, ZINC-NICKLE, DACROMATE etc. |
Key Features
- Conforms to DIN 985 standard with nylon insert
- Polyamide insert provides prevailing torque locking
- Thin profile for space-constrained applications
- Available in various material grades and surface finishes
- Suitable for high-strength connection requirements
Application industry
- Automotive chassis and suspension
- Industrial machinery with vibration
- Electrical equipment and appliances
- Agricultural implements
data table
| Size | M3 | M4 | M5 | M6 | M7 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39 | M42 | M45 | M48 |
| Coase | 0.5 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 |
| Fine | 0.35 | 0.5 | 0.5 | 0.75 | 0.75 | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Extra Fine | - | - | - | - | - | 0.75 | 1 | 1.25 | 1 | 1 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 2 | 2 | - | - | - | - | - |
| s Min (mm) | 5.32 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.16 | 29.16 | 31.00 | 35.00 | 40.00 | 45.00 | 49.00 | 53.80 | 58.80 | 63.80 | 68.10 | 73.10 |
| s Max (mm) | 5.50 | 7.00 | 8.00 | 10.00 | 11.00 | 13.00 | 17.00 | 19.00 | 22.00 | 24.00 | 27.00 | 30.00 | 32.00 | 36.00 | 41.00 | 46.00 | 50.00 | 55.00 | 60.00 | 65.00 | 70.00 | 75.00 |
| e Min (mm) | 6.01 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 18.90 | 21.10 | 24.49 | 26.75 | 29.56 | 32.95 | 35.03 | 39.55 | 45.20 | 50.85 | 55.37 | 60.79 | 66.44 | 72.09 | 76.95 | 82.60 |
| h Min (mm) | 3.70 | 4.70 | 4.70 | 5.70 | 7.14 | 7.64 | 9.64 | 11.57 | 13.30 | 15.30 | 17.66 | 18.70 | 20.70 | 22.70 | 25.70 | 28.70 | 31.40 | 34.40 | 37.40 | 40.40 | 43.40 | 46.40 |
| h Max (mm) | 4.00 | 5.00 | 5.00 | 6.00 | 7.50 | 8.00 | 10.00 | 12.00 | 14.00 | 16.00 | 18.50 | 20.00 | 22.00 | 24.00 | 27.00 | 30.00 | 33.00 | 36.00 | 39.00 | 42.00 | 45.00 | 48.00 |
| m Min (mm) | 2.40 | 2.90 | 3.20 | 4.00 | 4.70 | 5.50 | 6.50 | 8.00 | 9.50 | 10.50 | 13.00 | 14.00 | 15.00 | 15.00 | 17.00 | 19.00 | 22.00 | 25.00 | 27.00 | 29.00 | 32.00 | 36.00 |
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