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M39 nylon-insert lock nut, ISO 898-2 property class 5, manufactured to DIN 985 / ISO 10511 with ISO metric coarse thread and a prevailing-torque nylon ring. Carbon steel — specify zinc plating in your quote if corrosion protection is required.
M39 class 5 lock nuts pair with class 4.8 bolts where vibration resistance is needed on light-duty joints.
| Specification | Value |
|---|---|
| Dimensions | M39 |
| Weight per Piece | 499 g/pc |
| Material | Steel |
| Alloy/Grade | ISO 898-2 class 5 |
| Standard | DIN 985 / ISO 10511 |
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