Truck Bolt DXTB183 For DONGFENG

The uniqueness of truck bolts lies in their anti-loosening design. Since trucks are constantly exposed to vibrating environments, ordinary bolts are prone to loosening, which can lead to catastrophic consequences. Therefore, various anti-loosening technologies are widely used in trucks: self-locking nuts that utilize physical interference, pre-coated bolts with wear-resistant adhesive applied to the threads, as well as those paired with spring washers, serrated washers, or lock washers. At the wheel assembly, bolts (or studs) are directly linked to the safety of the hub and brake drum, with extremely strict regulations on tightening sequence and torque. It is mandatory to use a torque wrench to tighten them step by step in a diagonal sequence to the standard value.

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