| Customization: | Available |
|---|---|
| Material: | Carbon Steel |
| Type: | Hexagon Head |
|
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| Item | Model | Brand | Unit Weight kg |
Performance rate | Material | Surface treatment |
| 1 | M8 | JFS-LOCK | 0.010 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 2 | M10 | JFS-LOCK | 0.021 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 3 | M12 | JFS-LOCK | 0.031 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 4 | M14 | JFS-LOCK | 0.051 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 5 | M16 | JFS-LOCK | 0.076 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 6 | M18 | JFS-LOCK | 0.108 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 7 | M20 | JFS-LOCK | 0.148 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 8 | M22 | JFS-LOCK | 0.194 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| 9 | M24 | JFS-LOCK | 0.243 | 8.8 | Carbon steel 45#,10B21 Stainless steel 304 |
Zinc plating or blackening |
| Remarks: Special specifications of the lock nuts, such as thickness, material, surface treatment, inner thread requirements, environmental requirements etc, please to be clarified in advance. |
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| Recommended torque for JFS-Lock nut installation (Class 8 Coarse teeth nut) | ||
| Model | Installation torque for lower nut N*m | Installation torque for lower nut N*m |
| M8 | 25 | 25 |
| M10 | 50 | 50 |
| M12 | 90 | 90 |
| M14 | 140 | 140 |
| M16 | 200 | 200 |
| M20 | 400 | 400 |
| M24 | 700 | 700 |
| M30 | 1200 | 1200 |
| M36 | 1800 | 1800 |
| M42 | 2800 | 2800 |
| M48 | 4000 | 4000 |
A shockproof nut kit includes an upper nut and a lower nut, in which an end surface of the upper nut is provided with a boss of elliptic cylinder; on the upper end surface of the elliptic cylinder at a longer planar extension side is provided an unfilled corner; in an end surface of the lower nut is concavely formed a cylindrical groove matching with the boss of elliptic cylinder, and in the assembly state, the boss of elliptic cylinder on the upper nut is in clearance fit with the cylindrical groove in the lower nut. The present invention avoids the slipping and displacement of nuts in the meshing process, and ensures the coaxiality of the upper and lower nuts during installation to the utmost. In terms of both safety and shockproof, the present invention achieves satisfactory results, the installation thereof is convenient and reliable, and the disassembly thereof is simple.
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