... )pitch : 19.050mm 3)plate thickness : 2.42mm ANSI 60 A series simplex roller chains(12A-1R)1)material : 40mn2)pitch : 19 ... products as the following1)roller chains: A series(12.7-50.8mm pitches),B series (9.525-50.8mm pitches)and the ... ,2060H,2062H,2080,2082,2080H5)agricutual chain:ZGS38 series, 212A(2060) with attachment series, 6)simplex,double,triplex chainsThe chain technic is ...