Excavator wheel bolt accessories Many parts of the excavator need to use "fine button" bolts, copper plated bolts, copper bolts, if the use of ordinary bolts to replace, may appear loose, difficult to disassembly and other problems, some bolts will be stretched and deformed when used, repeat this use, the excavator does not fail to wonder. In addition, there are some special bolts on the excavator, which have high requirements for strength and toughness, and require special materials and special processing technologies, such as engine crankshaft bolts, cylinder head bolts, connecting rod bolts, flywheel bolts, and nozzle fixing bolts. For example, the bolt connected between the excavator walking motor and the drive teeth, which is used in a special occasion, will be broken and damaged if it is slightly careless, and it is necessary to choose high-strength bolts to ensure the reliability of fastening. In short, every small bolt on the excavator is very important, and s…