“DC” type roller chains consist of twice the number of side plates as the single strand chain, and its working load is close to the standard double strand chain.
“DC” type and “TC” type roller chains run on standard roller chain sprockets, and the ideal chain speed is less than 50 m/min.

Parameter Name	Parameter Value
Type	transmission
Material	steel
Configuration	roller
Other characteristics	heavy-duty high-strength for heavy loads BS
Product applications	for industrial applications for industrial use for heavy loads for heavy-duty applications
Chain pitch	Min.: 25.4 mm (1 in)Max.: 50.8 mm (2 in)