What search term to use for 1/8 pitch chain sprocket?

beebimbob

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Oct 16, 2016
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Trying to locate a source for inexpensive 1/8 pitch (miniature) roller chain sprockets. 8 to 10 tooth. Bore not important. I'm generally familiar with #25 chains and sprockets on up. Below that range I can't seem to find much ready information on dimensions and availability and I wonder if it's for lack of proper descriptors. Chains come in increments of 1/8? So a #40 chain is 4 X 1/8 ... which is 1/2 inch pitch? Right so far? So is a 1/8 pitch chain a #10? Apparently not since search reveals nothing.

I realize there are sources like Tsubaki and sdp-si for miniature chain but I haven't cracked the code on how to describe 1/8 pitch chain in order to search for sprockets online. I'd like to find a broad range of options.. aliexpress, madeinchina, etc, since I need a bulk of these sprockets and hope to find them at low cost.

Every attempt to search via google or googleimage returns very little result.

Thanks so much.
 
Looks like #25 chain is 1/8" pitch . Here is mini - roller chain ; http://www.mcmaster.com/#roller-chain/=14mn2my
 
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