ANSI 60 A series simplex roller chains(12A-1R) 1)material : 40mn 2)pitch : 19.050mm 3)plate thickness : 2 ... .42mm ANSI 60 A series simplex roller chains(12A-1R)1)material : 40mn2)pitch : 19.050mm3)plate thickness : 2 ... 530,630,25,25H3)short pitch conveyor roller chain attachments:A-1,A-2.K-1,K-2,SA-1,SA-2,SK-A ... ,SK-24)double pitch transmissions v& ...