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Mandrel vs. Collet — What's the Difference?

Mandrel vs. Collet — What's the Difference?

Difference Between Mandrel and Collet

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Mandrel

A mandrel, mandril, or arbor is: a gently tapered cylinder against which material can be forged or shaped (e.g., a ring mandrel used by jewelers to increase the diameter of a wedding ring); or a flanged or tapered or threaded bar that grips a workpiece to be machined in a lathe. A flanged mandrel is a parallel bar of a specific diameter with an integral flange towards one end, and threaded at the opposite end.

Collet

A collet is a segmented sleeve, band or collar. One of the two radial surfaces of a collet is usually tapered (i.e a truncated cone) and the other is cylindrical.

Mandrel

A spindle or an axle used to secure or support material being machined or milled.

Collet

A cone-shaped sleeve used for holding circular or rodlike pieces in a lathe or other machine.

Mandrel

A metal rod or bar around which material, such as metal or glass, may be shaped.
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Collet

A metal collar used in watchmaking to join one end of a balance spring to the balance staff.

Mandrel

A shaft on which a working tool is mounted, as in a dental drill.

Collet

A circular flange or rim, as in a ring, into which a gem is set.

Mandrel

A round object used as an aid for shaping a material, e.g. shaping or enlarging a ring, or bending or enlarging a pipe without creasing or kinking it.

Collet

A band, flange, ferrule, or collar, designed to grip and hold a tool or a workpiece under proper control, and usually to release it under control thereafter; such a collet usually is made of a hard, springy material, especially a metal.
That collet can handle up to 3/8-inch bits.

Mandrel

A tool or component of a tool that guides, grips or clamps something, such as a workpiece to be machined, a machining tool or a part while it is moved.

Collet

(jewelry) The rim (of a ring) within which a jewel is set.
There is an almost invisible collet that secures the stone to the ring.

Mandrel

A bar of metal inserted in the work to shape it, or to hold it, as in a lathe, during the process of manufacture; an arbor.

Collet

(horticulture) In an embryonic plant, the transition zone between the root and the hypocotyl (not clearly distinguishable in most plants.)
Collar rot forms in the collet between the stem and the root.

Mandrel

Any of various rotating shafts that serve as axes for larger rotating parts

Collet

A small collar or neckband.

Collet

A small metal ring; a small collar fastened on an arbor; as, the collet on the balance arbor of a watch; a small socket on a stem, for holding a drill.

Collet

The part of a ring containing the bezel in which the stone is set.
How full the collet with his jewel is!

Collet

A metal cap or band placed on a wooden pole to prevent splitting

Collet

A cone-shaped chuck used for holding cylindrical pieces in a lathe

Collet

A band or collar that holds an individual stone in a jewellery setting

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