Dongfeng EQ143 rear tire screw (dual washer)

Quick Details

Dongfeng EQ143 rear tire screw (dual washer) production of screws of the material is mainly used in special steel mechanical properties to achieve 12.9. Factory invested a huge sum of money from Japan TOYO-RO purchased TXG surface blackening heat treatment furnace, full computer control, to ensure the stability of heat treatment, the screw surface as a. Factory has a complete material mechanical performance test, the factory of each batch of screw sampling, archiving, ensuring the quality of stability and traceability.