Truck Bolt DXTB179 For BMC

Precautions for installation of truck bolts
Drilling accuracy: The diameter of the installation hole is crucial. For the square head anti rotation design, the hole diameter should be very close to the shoulder diameter, forming a "transition fit" or "slight interference fit" to ensure the anti rotation effect. For square heads, it is also necessary to open a square hole on the surface of the material or use a special tool to press out the square hole.
Using washers: It is strongly recommended to use heavy-duty washers under the nut to increase the stress area, prevent the nut from embedding into the material, and help distribute the load.
Tightening torque: A torque wrench must be used to tighten according to the specified torque value to ensure sufficient preload without damaging the bolt or thread. Excessive tightening can cause bolts to elongate or even break.

Factory Pictures:

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