Nickel Coating ER NER Type Nut

Chongde ER NE Type Nut made by 20CrMnTi material. All the nuts are through long time cryogenic treatment and thermal aging treatment to improve the stability of accuracy and dimensions. All the ER nuts are pre balanced G2.5 30000rpm. The surface with nickel coating that can improve the hardness and endurance of nuts. Also it has cleaness better, anti-rust, stable accuracy and smooth surface features. ER NER type nut is using with BT30/40/50-NER hidden barrel clamp tool holder. The ER NER type Nut is used with NER special wrench, if need can accept customizing.

Features:

1. Material: 20CrMnTi

2. Hardness: 50-53 HRC;

3. Thread Tolerance: 4H;

4. Pre balance is G2.5 20000rpm/30000rpm；

Our advantages

1. Nickel coating surface: antirust, surface smooth and high endurance.

2. 20CrMnTi material: high hardness 50-53 HRC.

3. Default balancing G2.5 20000rpm/30000rpm

4. Cryogenic treatment and thermal aging process. Stable accuracy and long using life.

Product Drawing and Size