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PRODUCT INFO - ER20 COLLET NUT
- Holds all ER20 collets
- Made from alloy steel hardened to 54 - 56rc
- Precision ground ID thread and taper
- Has an internal thread of M25 X 1.5 pitch
- Outside diameter is 1.338 inches (34mm)
- Outside hex for tightening is 30mm across flats
- ER20-Wrench works on this collet nut
- Internal cam removes collet when unscrewed
- Black oxide finish
- MariTool Part# ER20 NUT
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