Non-standard Series Chain
Prior to industry's adoption of ANSI (American National Standards Institute) standards, Diamond Chain produced many chains having unique dimensions, often for very specific applications. After industry's adoption of ANSI standards many of these chains became the current Standard or Heavy Series chains, but some did not. Diamond recognizes that a considerable amount of industrial equipment still utilizes these unique chains and so whenever possible we continue to produce them. The information below may be useful in identifying your "non-standard, but still very important" model.