Custom Threaded Standoff Spacer Hex Standoff Swage Standoff CNC Machined
Custom Threaded Standoff Spacer Hex Standoff Swage Standoff CNC Machined
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Custom Threaded Standoff Spacer Hex Standoff Swage Standoff CNC Machined
Threaded Standoff Spacer Types
Threaded Standoff Spacer Materials and Applications
Key Specifications (Typical)
Thread Sizes: #2-56 to M6 (metric) or 1/4″-20 (imperial).
Lengths: 5mm to 100mm (custom lengths available).
Finishes: Clear anodized (Al), passivated (SS), nickel-plated (brass).
Applications
Electronics: Spacing PCBs in racks/chassis.
Automotive: Securing dashboards/sensors.
Medical: Mounting imaging equipment with sterile materials.
Aerospace: Titanium standoffs for avionics.
One successful Case of Polestar Metal: PCB Mounting in Industrial Robotics
A manufacturer of industrial robotic arms needed to securely mount multiple printed circuit boards (PCBs) inside the robot’s control unit. The PCBs housed critical motor drivers and sensors, requiring:
Vibration resistance (due to constant robotic motion).
Electrical isolation to prevent short circuits.
Precise spacing for airflow and heat dissipation.
Solution: Aluminum Hex Standoffs
Type: Female-Female Hex Standoffs (threaded on both ends).
Material: 6061-T6 Aluminum (anodized for corrosion resistance).
Size: M4 thread, 20mm length.
Quantity: 32 standoffs per robot unit.
Implementation:
Mounting: Standoffs were screwed into threaded inserts on the robot’s aluminum chassis.
PCB Stacking: PCBs were placed over the standoffs and secured with M4 screws , creating a 5mm gap between boards.
Isolation: Nylon washers were added between PCBs and standoffs for electrical insulation .
Results:
Vibration Resistance: No loosening observed after 6 months of 24/7 operation.
Thermal Management: Airflow gaps reduced PCB temperatures by 15°C .
Cost-Efficiency: Aluminum standoffs cut weight by 30% vs. stainless steel alternatives.
Why This Worked:
Hex Design: Allowed tool tightening during assembly (unlike round standoffs).
Anodized Aluminum: Balanced cost, weight, and durability.
Female-Female Threads: Simplified disassembly for maintenance.
Core Competencies:
✅ Small CNC Machining – Producing miniature, complex parts (0.1mm–300mm) with tolerances down to ±0.005mm .
✅ Non-Standard Fasteners – Custom-designed screws, bolts, pins, and connectors for niche applications .
✅ Materials Expertise – Machining stainless steel, titanium, aluminum, plastics , and exotic alloys.
✅ End-to-End Solutions – From prototyping to high-volume production with strict ISO9001, IATF16949 compliance.
Key Industries Served:
Medical & Dental : Surgical tools, implantable devices, micro-fasteners.
Electronics : Micro-connectors, sensor housings, PCB mounts.
Aerospace & Defense : Lightweight brackets, drone components, specialty fasteners.
Automotive : Fuel injection parts, custom fasteners, EV components.
Why Choose Us?
✔ Precision-First Approach : Leveraging 3-axis 4-axis CNC, Swiss lathes, and EDM for intricate geometries.
✔ Agile Customization : Rapid turnaround for low-volume batches and one-off prototypes .
✔ Quality Assurance : Rigorous inspection (CMM, optical comparators) and traceability .
✔Global Supply Chain : Reliable logistics for JIT delivery and international clients.
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