PC+Nmrv Double Step Helical Worm Gear Reducer

In depth Photographs   Item DescriptionElements:one. Housing: Die-forged Aluminium Alloy CZPT (RV571~RV090)Solid Iron CZPT (RV110~RV150)two. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy3. Worm Shaft: 20Cr Metal, carburizing, quenching, grinding, floor...