The assembly process and steps of bolts and nuts are as follows: Preparation: First, prepare the required bolts and nuts to ensure that their sizes and specifications meet the requirements. At the same time, the surface of bolts and nuts should be cleaned before assembly to ensure that there is no oil and impurities. Alignment: Insert the bolt into the holes of the two parts that need to be connected to ensure that the bolt can pass smoothly and align with the nut. Turn: Use a tool such as a wrench or socket wrench to tighten the nut onto the bolt. According to the required tightening force, the Angle of the wrench can be adjusted appropriately or the torque wrench can be used to control the torque. Locking: If additional locking measures are required, accessories such as bolt locking agents, spring washers or gaskets can be used to increase the stability of the assembly. These accessories prevent bolts from loosening due to vibration during long-term use. Inspection: After completion of assembly, the joint should be inspected. Make sure that the bolts and nuts are not loose and that the clearance and depth of the joint meet the requirements. If necessary, it can be tightened or adjusted again. Note: When selecting bolts and nuts, the specific size and material should be determined according to the required connection material, strength and environment. During the assembly process, appropriate force should be applied, but not excessive force, so as not to damage the bolt or nut. It is necessary to pay attention to the direction of the thread and the depth of the bolt hole to ensure correct alignment and assembly. If necessary, auxiliary tools such as lubricants can be used according to assembly requirements to achieve smooth assembly. The above is the bolt and nut assembly process and steps, according to the specific situation may have some differences, it is recommended to operate according to actual needs.