NMTB30 ER32 2.48″ CNC Milling Collet Chuck Mill Tool Holder TIR .0002″ P}
Precision Magnetic Z Axis Zero Setter 2″ Height x 0.001″ 3 – 20mm by 1mm ER32 Collet 18 PCS Set ER32 Ball Bearing Collet Nut. In a generic standard ER collet nut, an internal ring is off-centered so that an ER collet can be easily snapped into it and holds the ER collet in place.