collet

American  

[kol-it] / ˈkɒl ɪt /

noun

1. a collar or enclosing band.

2. the enclosing rim within which a jewel is set.

3. a slotted cylindrical clamp inserted tightly into the tapered interior of a sleeve or chuck on a lathe to hold a cylindrical piece of work.

4. Horology. the tiny collar that supports the inner terminal of a hairspring.

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verb (used with object)

colleted, colleting

1. to set (a gem or other stone) in a collet.

collet British  

/ ˈkɒlɪt /

noun

1. (in a jewellery setting) a band or coronet-shaped claw that holds an individual stone

2. mechanical engineering an externally tapered sleeve made in two or more segments and used to grip a shaft passed through its centre when the sleeve is compressed by being inserted in a tapered hole

3. horology a small collar that supports the inner end of the hairspring

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verb

1. (tr) jewellery to mount in a collet

Etymology

Origin of collet

1520–30; < French, equivalent to col neck (< Latin collum ) + -et -et

Example Sentences

He pulled the bolt and bored out the collet with a hand drill and resleeved it with a section of pipe he’d cut to length with a hacksaw.

From "The Road" by Cormac McCarthy

It consists of four chasers or toothed cutting tools, inserted in radial recesses or slots in an iron disc or collet encircled by an iron ring.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

When the spring develops to the right from collet as shown in Fig.

From Rules and Practice for Adjusting Watches by Kleinlein, Walter J.

This holder requires a separate collet for each size drill.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

Theory and practice agree that different models of watches have important relative points of attachment of the spring to collet and stud.

From Rules and Practice for Adjusting Watches by Kleinlein, Walter J.