Super Precision ER20 Collets Chuck Milling Lathe Tool Workholding 4MM ER204mm

This is a Precision Collets For Professionals And Hobbyists Demanding
Ease Of Operation And High Quality Work Results.

Specification:
/Style: ER20
Material: High Grade 45 Carbon Steel
Total height: 31.5mm
Outer diameter(): 21mm
Gripping Range:4mm

Features:
Made of high grade specially formulated spring steel.
Hardened and precision ground.
Built in self-Release design and tools will never get stuck in holder.


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