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PRODUCT INFO - ER40 COLLET NUT
- Holds all ER40 collets
- Fits most tool holders, regardless of brand
- Made from alloy steel hardened to 54 - 56rc
- Precision ground ID thread and taper
- Has an internal thread of M50 X 1.5 pitch
- Outside diameter is 2.480 inches (63mm)
- Internal cam removes collet when unscrewed
- Black oxide finish
- MariTool Part# is ER40 NUT
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