Custom Female Thread Brass Nut Standoffs with High Precision CNC Machining for Corrosion Resistant Circuit Board Spacers

Custom Female Thread Brass Nut Standoffs, also known as brass spacers, are precision supporting fasteners designed for circuit boards, precision instruments, and industrial control equipment. Manufactured from high-purity brass using full CNC turning processes, these standoffs feature complete internal threads, burr-free smooth surfaces, and tight dimensional tolerances.

Brass material provides stable conductivity, rust resistance, and non-magnetic performance, making them ideal for PCB layered separation, component height support, conductive connection, and gap positioning to prevent short circuits and reserve assembly space. Full customization of length, outer diameter, thread size, steps, and counterbores is available for electronics, testing jigs, and new energy control modules.

• Premium Brass, Anti-Corrosion & Stable Conductivity
  High-purity brass resists oxidation and rust in humid indoor environments without peeling. Provides reliable electrical conductivity for circuit grounding and withstands mild oil, acid, and alkali. Non-magnetic property prevents signal interference to sensitive electronic components, offering superior durability compared to carbon steel spacers.
• High Precision CNC Machining, Smooth Durable Threads
  Solid brass CNC turning ensures full, uniform thread profile for smooth assembly and disassembly, resisting thread stripping after repeated use. Strict control over outer diameter, length, concentricity, and flatness guarantees consistent batch dimensions, uniform fitting clearance, and flat PCB mounting without warping.
• Integrated Spacing & Fastening Function
  Full female thread design works with matching screws to fasten circuit boards and housings, providing height support, isolation, and fixing in one component. Separates double-layer PCBs to avoid short circuits and reserve space for wiring and heat dissipation, significantly simplifying electronic assembly and maintenance.
• Optional Surface Finishes for Diversified Working Conditions
  Natural bright brass finish available, plus customizable nickel plating, gold plating, and passivation. Nickel plating improves wear and oxidation resistance; gold plating enhances conductivity for high-end precision electronics; passivation slows oxidation for long-term humid environment service.
• Comprehensive Non-Standard Customization
  Custom outer diameter, length, thread pitch, counterbores, step structures, and special-shaped standoffs are supported. Prototype sampling, small batch trial orders, and mass production are all acceptable to meet personalized assembly demands of PCBs, instrument housings, and automation tooling.

• Layer separating brass nut standoffs for printed circuit boards
• Spacing fasteners for communication equipment and precision instrument housings
• Conductive grounding support parts for electrical control and new energy modules
• Heightening positioning spacers for testing fixtures and inspection jigs
• Custom female thread brass support columns for non-standard electronic devices

Every custom brass female thread standoff undergoes thread gauge testing, full dimensional inspection, burr screening, and assembly fitting test before delivery. Standard sizes are stocked for fast shipment, and one-stop CNC brass precision machining service is provided. We supply corrosion-resistant, high-precision brass isolating fasteners for global electronics, instrumentation, and automation manufacturing industries.

We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs. Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001.