Nmrv030 040 050 063 075 090 110 130 Worm Gearbox

 Merchandise DescriptionMain Supplies:one)housing:aluminium alloy ADC12(dimension 571-090) die solid iron HT200(size one hundred ten-one hundred fifty)two)Worm:20Cr, ZI Involute profile carbonize&quencher heat treatment method make gear area hardness up to fifty...