M39 Steel Nylon-Insert Lock Nut, Class 5
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.
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Applications & Usage
M39 class 5 lock nuts pair with class 4.8 bolts where vibration resistance is needed on light-duty joints.
Technical Specifications
| 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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Technical guides
Bolt grades and sizes: 8.8, 10.9, 12.9, A2 and A4, and metric hex bolt dimensions
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Read the guide →Nut and washer types compared: hex, lock, flange, castle, coupling, cap and HV nuts, flat, spring and structural washers, with their standards
How hex, thin, nylon-insert and all-metal lock, flange, castle, coupling, cap, wing and HV nuts differ, which nut class goes with which bolt, and when to use DIN 125, DIN 127, DIN 7989 and DIN 6916 washers.
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