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View complete catalog page. Holds all ER25 collets; This M style nut is the slimmer type; Made from alloy steel hardened to 54 - 56rc; Precision ground ID ...
$21.00
ER25 collet nut - for HSD 2.2hp and 4hp manual change spindles only. *Will not work with automatic tool changer ER32 tool holders/cones.