... *61cmMain products as the following ANSI 80 simplex roller chain(16A-1R) manufacturer1)roller chains: A series(12.7-63.5mm pitches ... ),B series (9.525-50.8mm pitches)and their ... v& conveyor chains :2040,2050,2060,20805)leaf chains:LH series,AL series6)stainless steel roller chains7)simplex,double,triplex chainsANSI ...