... : 19.050mm 3)plate thickness : 2.42mm ANSI 60 A series simplex roller chains(12A-1R)1)material : 40mn2)pitch ... packing as your requirementMain products as the following1)roller chains: A series(12.7-50.8mm pitches),B series (9.525 ... 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& conveyor chains :2040, ...