1Pcs ER 11/16/20/25/32/40 Clamping Nut High Precision ER Collet Balanced Nut
High-precision chuck ER 11/16/20/25/32/40 A/M/UM clamping nut milling cutter chuck. Type: clamping nut. 1x ER Clamping Nut. - Strong clamping force, not easy to deform. - Suitable for various ER kn ife holders (BT-ER).