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what this metal ring called?

Picture of

These collars are found in a variety of applications large and small, this particular one came out of a broken flatbed scanner. I've seen variants with bearings on the inside ring allowing full rotation in industrial settings and small hobby ones used for axles.

So, is there a name for these?

10 Replies

iceng (author)iceng2011-09-06

Oh yea the Pic.

mikeasaurus (author)iceng2011-09-08

awesome, thanks!

Lorddrake (author)iceng2011-09-07


I am in the shed! (author)2012-01-09

I've always believed it to be a locking collar.

sam D (author)2011-09-06

Somtimes referred to as a collet.

Jayefuu (author)sam D2011-09-07

It's not a collet...

Jayefuu (author)2011-09-06

A bush.

CameronSS (author)Jayefuu2011-09-06

That's one in the hand. Is it worth two in the bush?

pacuzzo (author)2011-09-06

Hello, it's name is bushing.