Quick If you are interested in any of our products or would like to discuss a potential order, please feel free to contact us. Standard roller chain is available with pitches from 1/2 to 3 inches. Chain numbers are determined by multiplying the pitch by 80 (a 1/2 inch pitch chain would be a No. 40 chain). A hyphenated suffix indicates multiple strands.Overview
MM EXTERNAL RETAINING RING
