±0.002mm Hole Spacing Accuracy YG8 Superhard Alloy Micron-level Five-hole Coaxial Precision Fixture

The five-hole positioning seat, precision-manufactured using YG8 cemented carbide, utilizes five-hole coaxial precision machining technology and overall hardening treatment to provide a positioning solution with micron-level positioning accuracy, ultra-long service life, and excellent stability for multi-pin component testing and precision part assembly, completely solving industry pain points such as rapid wear, low accuracy, and short lifespan of traditional fixtures.

Material properties:

▸ Base Material: YG8 cemented carbide (92% WC + 8% Co)

▸ Physical Properties:

- Hardness: 89.5 HRA

- Density: 14.8 g/cm³

- Bending Strength: 2200 MPa

▸ Surface Treatment:

- Mirror Polishing: Ra 0.2μm

- Rust Prevention Treatment: Corrosion Resistance Grade ≥ 9

Application areas:

Semiconductor Testing
IC Chip Testing and Positioning Fixtures
Wafer Probe Card Positioning Bases
Microelectronic Component Testing Fixtures

Medical Devices
Surgical Instrument Assembly Fixtures
Medical Sensor Test Mounts
Precision Medical Device Positioning

Electronics Manufacturing
Connector Pin Testing Fixtures
PCB Board Positioning Fixtures
Micro-component Assembly and Positioning

Precision Instruments
Optical Instrument Adjustment Bases
Sensor Calibration Fixtures
Precision Measurement Positioning References

Quality Assurance:

▸ Raw Material Certification: YG8 Material Certificate

▸ Process Control: IPQC Inspection at Every Stage

▸ Finished Product Inspection:

- 100% Full-Dimension Inspection

- Aperture Accuracy Inspection with Pneumatic Gauge

- Surface Roughness Inspection with White Light Interferometer

▸ Traceability System: Unique Traceability Code for Each Product

▸ Certification Standard: ISO 9001 Quality Management System Certification