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Products > Collets and Chucks > ER Collets      

Collet Set, ER-20, Set of 3

Collet Set, ER-20, Set of 3
Part Number: 2442
Weight: 0.30 lb

Price: $36.95

In stock
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  • Includes 1/8", 1/4" and 3/8" collets
  • Made of high grade tool steel
  • Major diameter 0.83" (21 mm)
  • Length 1.24" (31.5 mm)
  • Set Range 0.12" - 0.393" (3.0 mm - 10 mm)


Set of three ER-20 collets sizes 1/8", 3/16" and 1/4".

This set of ER-20 collets provides the basics you need for the Tormach Tooling System ER-20 collet holder.

ER-20 collets have a major diameter of 0.83" (21 mm) and a length of 1.24" (31.5 mm). The collets in this set have a clamping range of 0.12" - 0.393" (3.0 mm - 10 mm).

ER collets are made from high grade tool steel, hardened and ground to close tolerance. Kerf cuts allow the collet to expand and contract as needed within the specific clamping range to securely hold the tool or workpiece.

*Collet must be assembled into a collet chuck nut before inserting into the collet chuck.


This product contains the following items:
  P/N Description Quantity
Collet, ER-20, 1/4" 2444 Collet, ER-20, 1/4" 1
Collet, ER-20, 1/8" 2443 Collet, ER-20, 1/8" 1
Collet, ER-20, 3/8" 2445 Collet, ER-20, 3/8" 1



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