ER20 A Type Collet Clamping Nut For CNC Milling – M25 X 1.5mm Thread, 1 Piece, Generic Brand

Machinists and CNC operators, if you need a replacement ER20 collet nut, here you go.

This is the 'A type' clamping nut with an M25 x 1.5mm thread.

It's a standard size for many ER20 collet chucks.

It's brand new, generic/unbranded, but it'll get the job done.

If your current nut is worn out or you're building a tool holder, grab this one.

Simple, functional, and ready for the shop.