... ,415H,420,420H,428,428H,520,520H,6303)short pitch conveyor roller chain attachments:A-1,A-2.K-1,K-2 ... .Quenching9.Tempering10.Oiling11.Greasing DIN/ISOPitch(P)Rollerwidth betweenPin lengthInner plate depthPlate thicknessUltimate tensile strengthAverage tensile strengthFatigeChain No.diameter(d)inner ... .422.215226.629.765063019.0511.9112.5724182.43537800 Short pitch conveyor chain with extended pins