RV Worm Speed Reducer with Input Shaft

In depth Photos   Item DescriptionFactors:1. Housing: Die-cast Aluminium Alloy CZPT (RV571~RV090)Forged Iron CZPT (RV110~RV150)2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloythree. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface...