Single pitch chain
This chain is connected by hollow pins, as well as the hollows might be utilized to attach a variety of attachments. In hollow pin chain, the hollow pins would be the identical since the bushings with the corresponding common chain in diameter, so hollow pin chain might be thought to be bushing chain that incorporates bushings from the very same diameter as that of the rollers from the corresponding regular chain.
Normal sprockets could be applied.
The connecting links are unique snap ring varieties for hollow pin chain as illustrated.
Considering that no offset hyperlink is available, the amount of backlinks should be an even quantity.
Flexible Chain
Flexible Chain has good sideward bending versatility and it is ideal for 
curved traveling. Sprockets for JIS/ANSI Standard Roller Chain is often utilised for this chain. By repairing attachments, this chain may be utilised for curved transfer with conveyors.
Flat Variety Roller Chain
This chain is suited for conveyor programs as it has flat plates that induce very little damage to elements such as chain guides. (The forms of outer plates and inner plates will be the similar.)