SFX Friction Bearing Nut High Precision HER Nuts for CNC Machine Nuts-5pcs Set

SFX HER Series Friction Bearing Nuts, 5 pcs Set 

Models： HER16/ HER20/ HER25/ HER32/ HER40

Features of SFX Friction Bearing Nut:

1. Novel Structure:

The body and the cone are designed to be separated and to have 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. 

Four times the radial runout: HER 16/20 less than 0.02mm; HER25/32/40 less than 0.015mm.

3. Greater Clamping Power:

Greater clamping force under the same torque. Marking circle positioning, easy to install and unload.

Advantages of SFX Friction Bearing Nut:

Strong corrosion resistance, 3 years of rust prevention.

Surface hardness: Approx. 650 HV0.1; Core hardness: Approx. 30 HRC; Comprehensive hardness: Approx. 40 HRC

Automated mass production, reduces costs, high degree of operation, strong product consistency

Direct sales from the manufacturer, a full range of models. OEM and custom services are provided.

Multi inspections, strict quality control: Dynamic balance test (German MPM dynamic balance tester), ZEISS Three-coordinate Inspection, Four times radial runout test of the nut, Violence test of the nut, Wear resistance test of the nut, Salt spray test