Jun 22, 2023 · An ER20A nut is 25mm x 1.5 with the hex. A ER20 compact is 24mm X 1.0. This one has groves in it istead of the hex. The original Langmuir nuts ...
Nov 20, 2017 · Having a nut for every collet allows for more convenient tool changes without the need to exchange collet nuts. These work perfectly with our 4 ...