Standard roller chains are the most commonly used chains in the power transmission world. The standard chains have a riveted construction meaning the pin heads are staked/peened to ensure a solid construction. Nitro standard series roller chains are made to ANSI B29.1 standards with strength ratings that exceed the standards. Nitro Chains have superior strength, durability and wear resistance making them great for many applications. Nitro™ chains are continually tested and improved any way possible through our factories Chain Drive Research Center. You can trust Nitro™ will keep you running!