Has anyone tried spiral retaining rings instead of the easy-to-stretch-out snap rings? I suspect they are a bit more tolerant of abuse, and they dont need anything more special than a small screwdriver.
The Smalley ones, McMaster 91665A420
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At $4.34/10 pack you might as well try keychain rings first
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Haven’t tried them in FRC. It’s neat that they fit into exactly the same groove as the standard external retaining ring 97633A200.
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Are they good enough, smart enough, and doggone it, do people like them?
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I use larger ones at work all the time and they are great, but I have not tried anything as small as a FRC shaft. I think the smallest I’ve used is 100mm
Same here: they are the go-to ring at work, but waaaay larger 
We also use them a lot at work. I actually like them over regular rings - They don’t deform as easy, and you don’t need special tools to install them (although it’s still a bit tricky).
I’ve ordered some to try out!
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