


Product details
This ER collet is used for CNC milling lathe tool and workholding engraving machine.
Collet must be placed into collet chuck nut before inserting into collet chuck.
Specifications:
Model: ER20
Clamping Diameter: 4mm
Material: 65MN Spring Steel
Precision: 0.01mm / 0.0004-inch
Total Height: 32mm / 1.26-inch