DIN 6925 Lock Nut
Product introduction
DIN 6925 Lock Nut specifies all-metal hexagon locknuts with an integrated clamping feature at the top. These nuts provide prevailing torque locking through controlled thread deformation, making them suitable for applications where nylon insert locknuts cannot be used due to temperature or chemical exposure.
Common Specifications
|
Materials |
Carbon steel |
|
Class |
8, 10, 12 |
|
Range |
M5 – M20 |
|
Thread |
Coarse , Fine, Extra Fine, Special-Fine |
|
Surface |
Plain, zinc plated, hot-dip galvanized, GEOMET, ZINC-NICKLE, DACROMATE etc. |
Key Features
- All-metal construction with integrated clamping
- Resists loosening under vibration and shock
- Compatible with grade 8.8 to 12.9 bolts
- Conforms to DIN 6925 specifications
Application industry
- Automotive chassis and suspension
- Industrial machinery with heat exposure
- Chemical processing equipment
- Marine and offshore applications
data table
| Size | M3 | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | M30 | M36 |
| Coase | 0.5 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 | 3.5 | 4 |
| Fine | 0.35 | 0.5 | 0.5 | 0.75 | 0.75 | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 2 | 2 | 3 | 3 |
| Extra Fine | - | - | - | - | - | 0.75 | 1 | 1.25 | 1 | 1 | 1.5 | 1.5 | 2 | - |
| s Min (mm) | 7.78 | 9.78 | 10.73 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.16 | 29.16 | 33.00 | 35.00 | 40.00 | 45.00 |
| s Max (mm) | 8.00 | 10.00 | 11.00 | 13.00 | 16.00 | 18.00 | 21.00 | 24.00 | 27.00 | 30.00 | 34.00 | 36.00 | 41.00 | 46.00 |
| e Min (mm) | 8.79 | 11.05 | 12.12 | 14.38 | 17.77 | 20.03 | 23.36 | 26.75 | 29.56 | 32.95 | 37.29 | 39.55 | 45.20 | 50.85 |
| m Min (mm) | 4.80 | 5.40 | 6.84 | 7.14 | 8.94 | 11.57 | 13.40 | 15.70 | 16.90 | 19.00 | 20.50 | 22.60 | 25.40 | 27.30 |
| m Max (mm) | 5.10 | 6.00 | 7.40 | 8.00 | 10.00 | 12.30 | 14.10 | 16.40 | 18.00 | 20.30 | 22.00 | 24.00 | 27.00 | 30.00 |
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