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Gold Plated Brass Precision Pin for Electronics Testing

  • Material: C3604 Brass (custom alloys like 304 SS available)

  • Diameter: Custom sizes, tolerance ±0.01mm

  • Length: 1 mm – 20 mm

  • Tolerance: ±0.01 mm or better

  • Surface Finish:  Gold Plating (3–5μm thickness, RoHS compliant)

  • Production Process: Precision CNC Turning & Milling

  • Application Fields: Electronics, Medical Devices, Instrumentation, Micro-Mechanical Systems

  • MOQ: 1000 pcs (Small batch orders accepted)

  • Performance features: High electrical conductivity, corrosion resistance, precise fit for test sockets

  • Customization: Available for size, material, and design

  • Packaging: Anti-static bags or customized packing for safe transport

  • Lead Time: 7–15 days depending on order quantity

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Constructed from C3604 brass with 3–5μm gold plating, these pins feature Swiss-type CNC turning for ±0.01mm dimensional accuracy.


These gold plated brass precision pins are essential components in electronics testing systems, manufactured via Swiss-type CNC turning to achieve ultra-precise dimensional control (±0.01mm tolerance). Constructed from C3604 brass—renowned for its superior machinability and electrical conductivity—each pin undergoes gold plating (3–5μm thickness) to enhance corrosion resistance and ensure stable electrical performance in test sockets, probes, and connectors.

Ideal for industries including consumer electronics, automotive electronics, and semiconductor testing, these pins support customizable lengths (5mm–50mm) and diameters (0.5mm–5mm) to match unique test fixture requirements. The gold plating not only boosts conductivity but also extends service life by resisting wear during repeated insertions. With sample lead times of 3–5 days and bulk production in 7–12 days, they enable rapid prototyping and mass production for testing solution providers.
Every pin undergoes rigorous quality checks: dimensional verification via micrometers and plating thickness analysis via XRF to meet RoHS and industry standards. Customization options include alloy selection (e.g., 304 stainless steel), plating variations (nickel, silver), and specialized tip geometries for niche testing scenarios.

Our CNC Machining Facilities & Capabilities

At JXD Machining, we operate a 5,000+ square meter fully integrated CNC machining facility, armed with a fleet of 40+ advanced pieces of equipment to meet diverse customization demands. Our core equipment lineup includes: 12 sets of 3-axis CNC milling centers (Haas VF-2), 8 sets of 4-axis machining centers (DMG MORI CMX 1100 V), 5 sets of high-precision 5-axis milling centers (MAZAK Variaxis i-700), 10 sets of CNC turning lathes (Okuma LT2000-MY), 3 sets of Swiss-type automatic lathes (Citizen M32), and a complete Surface Treatment line covering anodizing, sandblasting, and powder coating.

 

We excel in both flexible rapid prototyping and stable high-volume production: we support 1-50 pieces of rapid sampling and 10,000+ pieces of mass production, with the ability to process over 20 Materials including Aluminum(6061/7075), Stainless Steel(304/316), Titanium alloy (TC4), Brass, and engineering Plastics ( POM  / PEEK ). With a strict tolerance control range of ±0.005mm to ±0.05mm, we easily handle complex structures such as deep holes, curved surfaces, and multi-step components, serving key industries like Electronics, Medical devices, Consumer Products, and Industrial Automation.

On delivery efficiency, we balance speed and precision: rapid prototyping takes 3-5 working days, small-batch production (50-500 pieces) is completed in 7-10 working days, and large-volume orders are delivered within 15-25 working days (adjustable based on order scale and complexity).

Want to see our workshop layout, equipment, and production process? Click here for our “About Us” page.

 

Quality Assurance

At JXD Machining, our strict, streamlined quality & outbound process—backed by advanced tools—guarantees compliance:

Incoming Check: Verify raw material certificates + sample tests (hardness, composition) to rule out defects.

In-Process Inspection: Spot-check critical stages with CMMs to validate tolerances (±0.001mm) early.

100% Final Test: Full dimensional, surface roughness, and functional checks—only passers move forward.

Outbound Review: Secure packaging + batch labeling; test reports/certifications included for traceability.

Every component leaves ready to meet your standards. Learn more & view certificates → Click here

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