John King round link steel chains have become a proven standard in aggressive mining, ash handling, cement production, and other heavy-duty applications due to their high strength and flexibility in operation. They are built to meet or exceed the German Institute for Standardization (DIN) for dimensional consistency, interchangeability, and correct sprocket engagement, most commonly with the DIN 22252 & DIN 764 specifications. They are offered in both the standard hardness state (through-hardened) or with upgraded surface hardness (case-hardened) to best combat abrasive wear. We also offer a range of quality accessories such as forged master links, attachment shackles, mounting hardware, and complete sprocket solutions. Most common sizes are available from inventory and can be cut to length quickly and accurately to meet on-demand ordering and emergency repair needs.