Two Stage Power Transmission Gear Helical Worm Gearbox

 Item DescriptionNMRV Major Resources:1)housing:aluminium alloy ADC12(dimension 571-090) die solid iron HT200(measurement one hundred ten-a hundred and fifty)2)Worm:20Cr, ZI Involute profile carbonize&quencher warmth treatment make gear floor hardness up to fifty...