RV Speed Reducer Worm Gear Box 025-150 Low Backlash

 Product DescriptionPrincipal Components:1)housing:aluminium alloy ADC12(size 571-090) die cast iron HT200(measurement 110-one hundred fifty)two)Worm:20Cr, ZI Involute profile carbonize&quencher heat treatment method make gear surface hardness up to fifty...