British standard chain or DIN chains are manufactured to International Standards Organization(ISO) metric dimensions (ISO 606), British Standard (BS 228), and DIN 8187. Mechanidrive caries every variety of sizes and types. Our BS/DIN chains are from ideally designed for use as replacement chains on new OEM machinery manufactured for European export or for equipment being imported from a European source. ISO British Standard chains are manufactured using the exact materials used in standard ANSI/ASME chains. View our vast selection of British Standard roller chains now!