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O ring sizes?

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Vic10/10/2019 16:45:24
3453 forum posts
23 photos

Do any of you know off hand how small a section O Rings are available? I’ve just ordered some 1mm ID 1mm cross section O rings but they may be a bit too big in cross section.

David George 110/10/2019 17:09:36
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2110 forum posts
565 photos

I believe that 0.5 mm section is the smallest size have a look on simply bearings web site.

David

Vic10/10/2019 17:25:11
3453 forum posts
23 photos

Pretty sure it was simply bearings I looked at, smallest was 1mm. I’ll check again.

Michael Gilligan10/10/2019 18:20:37
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23121 forum posts
1360 photos

Browse around here, Vic: **LINK**

https://www.marcorubber.com/o-ring-size-chart-index.htm

MichaelG.

Vic10/10/2019 21:10:12
3453 forum posts
23 photos

The smallest standard size seems to be 1mm CS but I’ve found a specialist supplier that make miniature O rings. I’ve now found a supplier though that has O rings specifically for my needs. Not sure what size they actually are so I’m going to see if the ones I’ve ordered elsewhere fit first.

S.D.L.10/10/2019 21:19:05
236 forum posts
37 photos

Seen down to 0.1mm cross section x 0.3mm OD

 

Steve

Edited By S.D.L. on 10/10/2019 21:19:24

Grindstone Cowboy10/10/2019 21:51:59
1160 forum posts
73 photos

You could try Polymax

Vic10/10/2019 21:57:57
3453 forum posts
23 photos

Thanks for the link GC. smiley I’m sure they go down small enough and the prices look good although I’ve not checked the postage.

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