Product Parameters
| Item | Specification |
|---|---|
| Material | Carbon Steel, Stainless Steel |
| Thread | Metric (M3–M16), Imperial (#4–5/8") |
| Surface | Gold Plated |
| Appearance | Bright gold, non-tarnishing |
| Application | Premium equipment, aerospace, electronics, telecommunications |
| MOQ | 50 pcs |
description
Gold plated thumb screws combine the warm gold appearance with the durability of gold plating - a premium fastening solution for applications where appearance, corrosion resistance, and electrical conductivity all matter. Aerospace equipment, high-end electronics, telecommunications infrastructure, and precision instruments use gold plated thumb screws where reliability and aesthetics both count. The gold layer is thin but sufficient to provide tarnish resistance and the characteristic gold appearance. On carbon steel, gold is typically applied over nickel strike plating which provides adhesion and corrosion resistance. On stainless steel, gold adheres directly to the stainless surface.
Why Gold for RF and Microwave Equipment
RF connectors and microwave hardware require stable, low-resistance contacts. Silver tarnishes and contact resistance increases. Gold does not tarnish, so the contact resistance stays low throughout the service life. Even a thin gold layer is sufficient because the gold primarily serves as a contact surface. This is why gold-plated thumb screws appear in telecom infrastructure and RF test equipment.
FAQ
Q1: MOQ?
A1: 50 pieces for standard thumb screws.
Q2: Materials?
A2: Carbon steel, stainless steel (303, 304).
Q3: Appearance?
A3: Bright gold, non-tarnishing - maintains appearance through service life.
Q4: Thread sizes?
A4: Metric M3 through M16, Imperial #4 through 5/8 inch.
Q5: Applications?
A5: Aerospace, electronics, telecommunications, premium equipment, RF/microwave.
Q6: Electrical conductivity?
A6: Gold provides excellent electrical conductivity and low contact resistance.
Quality is non-negotiable in precision manufacturing. Every component undergoes rigorous inspection at each stage of production.
- AS/EN/JISQ 9100 - Aerospace quality management for flight-critical and structural parts
- NADCAP - Accredited special processes including heat treatment, NDT, and surface treatment
- DFARS / ITAR - Compliant supply chain for defense and space applications
- Boeing DMS / Airbus SP - Customer-specific requirements documentation available
- CMM Inspection - Coordinate measuring for complex geometries and tight tolerances
- Surface Roughness Measurement - Ra, Rz, and Rt charting with every inspection report
- Passivation / Electropolishing - ASTM A967 procedures for corrosion resistance
- Material Traceability - Heat number tracking from raw material to finished part
From raw material to finished product, every step is controlled and documented:
- Material Preparation - CNC turning/milling to near-net shape
- Heat Treatment - Through-hardening or case-hardening for strength-critical parts
- Surface Preparation - Degreasing, acid cleaning, and surface activation
- Electroplating - Controlled bath process with thickness monitoring
- Sealing / Baking - Chrome sealing, anodize sealing, or hydrogen embrittlement relief baking
- Inspection - Coating thickness measurement, adhesion testing, and visual check
- Packaging - Protective interleaving, VCI packaging, and anti-tarnish wrapping
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