The Nitro metric roller chain is manufactured to the BS/DIN/ISO industry standards. Our metric chains are available in single, double & triple row and ranges from 04B up to 32B metric sizes. This chain is a very common in the USA, due to the importing of European made machines over many years. All chains are manufactured from quality carbon steel components that undergoes shot peening and heat treatment. We also offer stainless steel metric roller chain for applications that require a corrosive resistant or temperature resistant roller chain.