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ER11 ER16 ER20 ER25 ER32 ER40 Collet Chucks,Accessories

Part Number:806-
ER11 ER16 ER20 ER25 ER32 ER40 Collet Chucks,Accessories
Chucks: ER11 16 20 25 32 40 Collet Chucks and Accessories


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ER Collet Chucks
An "ER" collet system is the most widely used clamping system in the world. The standard sizes are ER-8, ER-11, ER-16, ER-20, ER-25, ER-32, ER-40, ER-50. The "ER" comes from an existent "E" collet. The number is the cavity opening diameter in millimeters, which is nearly the outside collet diameter

ER Collets Chucks Sets Pull Studs ER Nuts Wrenches

Generally, a collet chuck, considered as a unit, consists of a tapered receiving sleeve (often integral with the machine spindle), the collet proper (usually made of spring steel), which is inserted into the receiving sleeve, and (often) a cap that screws over the collet, clamping it via another taper.

Usually in shop-floor terminology, the terms collet and chuck are used in contradistinction; users speak of holding a workpiece or tool with either a collet or a chuck. In this context "chuck" means any type

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