About 20B-2 Roller Chain

20B‑2 double‑strand roller chain is manufactured according to ISO metric standard. Made of high‑quality alloy steel, it features excellent tensile strength, wear‑resistance and long‑term stable performance. Double‑row structure increases load‑carrying capacity, making it suitable for heavy‑duty power‑transmission equipment, agricultural machinery, conveyors and industrial automation systems. We can provide surface treatments such as shot‑blasting, heat‑treatment. Custom lengths and matched sprockets are also available to meet your special operating requirements.

Metric 20B-2 Roller Chains  Dimension