Black ER20A 1.5 CNC Milling Engraving Machine Collet Chuck

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Description:

Model: ER20A
Thread 1.5mm
Outer Diameter: 34mm
Hardness: 46-50
Material: chrome steel
A type collect nut for ER20 collet milling chuck holder.

Package Includes:

1 Piece ER20A Collet Clamping Nut

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