High Precision Collet ER 11/16/20/25/32/40 A/M/UM Clamping Nut Milling Chuck Cap

Features: brand new and high quality Made of high-quality materials, High- for precision chuck ER 11/16/20/25/32/40 A/M/UM clamping nut milling cutter chuck. Industrial-grade high-end professional ER lock nuts. Made of high-quality chromium steel (20CrMoTi). Strong clamping force, not easy to deform. Reduce vibration and noise. Suitable for all kinds of ER tool holders (BT-ER. NT-ER, MTA-ER, MTB-ER, R8-ER and ER straight extension shank). Product parameters: Type: clamping nut High for precision: 0.005mm beating Material: Chrome Steel (20CrMoTi) hardening: for HRC 52-55 Inner taper accuracy grade: 4H Suitable for spindle speed: Model: ER11-A, ER16-A, ER20-A, ER11-M, ER16-M, ER20-M, ER25-UM, ER32-UM, ER40-UM, (optional) Package list: 1 * ER clamping nut Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.