Truck Bolt DXTB141 KIA

Truck Bolts: High-Strength Fasteners for Critical Connections​​

Truck bolts are essential fasteners in heavy-duty vehicle assembly, designed to withstand extreme loads and vibrations. Typically made from high-strength alloy steel (e.g., Grade 8.8, 10.9, or 12.9), these bolts undergo quenching and tempering heat treatment, along with anti-corrosion coatings (such as zinc plating or Dacromet), ensuring durability under harsh conditions like prolonged shocks, temperature fluctuations, and moisture exposure.

Common types include ​​wheel hub bolts, U-bolts, and flange bolts​​, featuring coarse threads (e.g., M12-M24) for enhanced clamping force and anti-loosening performance. Some are paired with nylon lock nuts or spring washers to prevent vibration-induced loosening. The bolt heads often adopt hexagonal or flanged designs for easy installation with power tools while minimizing component deformation through increased contact area.

When selecting truck bolts, strict adherence to OEM-specified strength grades and dimensions is crucial-substandard bolts may lead to failures like fractures or wheel detachment. Regular torque checks and corrosion inspections are vital for maintaining truck safety.

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