ANSI Standard Short Pitch Power Transmission Roller Chains are the most popular chains for driving, transmission reduction, tension, shuttle traction, and other applications. ANSI standard roller chains are produced according to with ISO 606A, ANSI B29.1M and DIN 8188 from high quality steel and incorporated with latest manufacturing technologies. Products are available from pitch size 6.35 to 76.2 mm in single,multiple and triple strands, riveted or cottered.