The smallest chain complying to ANSI is 25 of six.35 mm pitch. Having said that, in response on the demands for smaller chains lately for large technological innovation machinery such as workplace products, health-related machines and industrial robots, we offer 15 of four.7625 mm (3/16 inch) pitch and also 15H1 like a high-power model of 15. These higher precision chains are produced beneath extreme quality management in particular expected for small sizes, taking dress in resistance also into consideration.
Variety of chain
Refer towards the "Low-speed selection". Nonetheless, the chain operation pace might be set significantly substantial based on the kind of lubrication as proven from the table beneath.
Connecting links and offset hyperlinks
R connecting back links are utilized for modest pitch chains. Even so, because their power is lower than that of the base chain, and since the clip is likely to come off in substantial velocity operation, using connecting hyperlinks will not be encouraged. Use a loop chain without attaching connecting links.
Offset links can be found for chains apart from 15 and 15H1, but their use will not be advisable for your similar motive as stated for your R Connecting back links.
Operating speed and sort of lubrication
15: A substantial precision mini-pitch bushing chain that is smaller sized than a compact drive chain for basic applications, 25
25: Smallest bushing chain among ANSI common chains employing curl bushings.
35: A ANSI standard bushing chain ideal for small precision machines 
that call for substantial strength.
