Double pitch conveyor chain attachments double plus chain, roller chain Double pitch conveyor chain attachmentscombine chain, agricultural chain, double puls chainlarge roller chainMaterial of the Chain:plate: 40Mn,roller :20cpin: 20CrMnTiC212ALK1DIN ISO Chain No.ANSI Chain No.PGLFWh4d4mmmmmmmmmmmmmmC208A C208ALC2040 C204225.419.19.525.439.69.13.4C208B C208AL 25.423.212.725.439.69.14.5C210A ...