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- Holds all ER11 collets
- Made from alloy steel hardened to 54 - 56rc
- Precision ground ID thread and taper
- ER11 Collet Nut has an id thread of 14mm X .75 pitch
- Outside diameter is .748 inches (19mm)
- Outside has a hex for tightening
- Internal cam removes collet when unscrewed
- Black oxide finish
- MariTool Part# is ER11-NUT