High-Precision ER Sliding Nut Suitable For Most Tool Holders
Models: HER16/ HER20/ HER25/ HER32/ HER45 H-XN11/ H-XN16/ H-XN20/ H-XN25/ H-XN32/ H-XN40 Friction Bearing Collet Nuts
Features of SFX ER bearing collet nuts:
1. Novel Structure:
Features a separated body and cone design for sliding coordination during chuck clamping. External nut rotates while internal components remain stationary.
2. Balanced Design:
The clamping groove adopts a balanced eccentric circle design for improved performance, ensuring both balancing of the nut and effective clamping with the spring collet.
3. Harsh tests
The SFX ER bearing nuts have rigorous quality control with dynamic balance testing, ZEISS three-coordinate inspection, wear resistance tests, salt spray tests, and violence tests, the quality is promised.
Advantages of SFX brand ER collet nuts:
Strong corrosion resistance, 3 years of rust prevention;
Surface hardness: Approx. 650 HV0.1; Core hardness: Approx. 30 HRC; Comprehensive hardness: Approx. 40 HRC
High wear resistance, superior to ordinary nuts;
Automated mass production reduces costs;
High degree of operation, strong product consistency;
Direct sales from the manufacturer, full range of models, OEM and custom services are provided.
About SFX brand:
SFX has focused on the production of CNC tool accessories for 20 years, the company's commitment to quality is evident in our rigorous testing, automation, and adherence to industry standards. The SFX brand is recognized for wear resistance, corrosion resistance, and a dedication to producing high-quality products. With a global market presence and active participation in exhibitions, SFX now stands as a leading player in the CNC tool accessories industry.












