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B&Q£24.85Visit shop B&Q - 4 Twin Parabolic Leaf Spring High Tensile U Bolt For Ifor Williams Trailers
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This guide is for users of AB Tools' Leaf Spring U Bolts, specifically the M12 threaded variant designed for Ifor Williams trailers with twin/double parabolic leaf springs. The key benefit is providing a high-tensile, secure fastening solution for higher load applications. A potential caveat is that these are specialized for specific trailer configurations and may not fit other systems. This product offers robust construction and comes complete with nyloc nuts for a reliable assembly.
| Model Part Number | BS152_4PK |
|---|---|
| Brand | AB Tools |
These U-bolts are specifically designed for Ifor Williams trailers that have twin or double parabolic leaf springs.
High tensile means the material has been treated to withstand greater stress and load before deforming or breaking, making it suitable for heavy-duty applications.
Yes, this product comes complete with 8 x M12 nyloc nuts.
The total internal height is 140mm, the total internal width is 55mm, and the thread length is 60mm. The thread size is M12.
These U-bolts are specifically sized and intended for twin/double parabolic leaf springs. Using them on a single leaf spring system may not provide a secure fit and is not recommended without expert verification.
It is recommended to check the torque of the nuts periodically, especially after the initial installation and after periods of heavy use or travel over rough terrain.
If the threads are damaged, the U-bolt should not be used. It is recommended to replace the U-bolt to ensure safe and secure fastening.
Ensure you are using the correct M12 nuts and that the U-bolt threads are clean and undamaged. Check for cross-threading.
Verify that you have ordered the correct U-bolt size for your specific trailer model and leaf spring configuration. This model has a 140mm internal height and 55mm internal width.
Confirm that you are using the included nyloc nuts, which are designed to resist vibration. Ensure you have tightened them to the correct torque specification and check again after a short period of use.
Clean the affected area and apply an anti-corrosion compound. If corrosion is severe, replacement may be necessary to maintain structural integrity.
Compatibility:
This product is specifically designed for Ifor Williams trailers equipped with twin or double parabolic leaf springs. Ensure your trailer's leaf spring configuration matches the specifications (M12 thread, 140mm internal height, 55mm internal width) before purchase. It is not designed for single leaf springs or different trailer brands without verification.
Setup:
Care:
Regularly inspect the U-bolts and nuts for any signs of corrosion, damage, or loosening. Clean with a dry cloth or brush to remove dirt and debris. Re-check the torque periodically, especially after initial installation or after heavy use, to ensure continued security.
