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Offset Links
Offset links, also known as ½ links or crank links, are used to make a chain an odd number of pitches in length, often used to shorten a chain by one pitch. Offset links are available in two different configurations.
Single-pitch offset links, slip-fit type, are furnished with a slip-fit pin unassembled in the linkplates. A flat is milled on one end of the pin preventing it from turning in the linkplate once installed.
Two-pitch offset links, press-fit type, are an offset link and a roller link assembled together. The press-fit construction of this assembly greatly increases its structural rigidity, reliability, and durability. For these reasons, the two-pitch offset assembly is recommended in preference to the single-pitch offset. However, due to the reduction in the chain’s working capacity, offset links, of either type, are not recommended in performance oriented drives.