Transmission Roller Chain is famous for its high strength and continuous antifatigue; the chain dimensions fully meet the standards of ANSI and BS,and it can be assembled into single strand, double strands and multiple strands for applying for driven power and different allowed space. According to varied working conditions.it may choose the chain with different coating treatment. such as ZINC plating,nickel plating,chromeplating and dacromet plating etc. Our company (KETOZ) major in supply all kinds of roller chain. The size inlude: ANSI & BS series transmission roller chains, (25,35,40,50,60,80,100,120,140,160,180,200 from 6.35mm to 63.50mm pitch ) (06B,08B,10B,12B,16B,20B,24B,28B,32B,40B from 9.525mm to 63.50mm pitch) Simplex,Duplex,Triplex Other types Stainless steel chains ,Extended pitch chains Various packing options Polybag+Color Box+CTN+Cartons/Pallet