Keep Nut- Reliable Fastening for PCB and Mechanical Assemblies
Applications
1.Secure mounting of components on PCBs, panels, and metal structures
2.Ideal for high-vibration environments and rough conditions
3.Used in electronics, automotive, industrial machinery, and power distribution
4.Suitable for repeated assembly and maintenance
Materials & Surfaces
Polyamide (PA) / Nylon (plastic versions)
Stainless steel (A2/A4) or aluminum (lightweight version)
Optional surface treatments: passivation, anodizing, or customized coating for corrosion resistance
Execution & Dimensions
Press-fit, through-hole, or panel-mount applications
Sizes: M3 to M12 standard, height above PCB from 3mm to 15mm (customizable)
Pin length: 3-8mm, diameter: 1.5-5mm depending on type
Tightening Torque
Plastic: 0.3-1.5 Nm
Aluminum: 1.0-5.0 Nm
Stainless Steel: 2.0-10.0 Nm
Operating Conditions
Temperature range: -40°C to +120°C (plastic), -55°C to +200°C (metal versions)
Resistant to vibration, shocks, and environmental stress
Advantages
1.High mechanical retention and reliable locking without additional fasteners
2.Low-profile design suitable for compact assemblies
3.Resistant to loosening from vibration and thermal expansion
4.Plastic versions provide electrical insulation, reducing short circuit risk
5.Metal versions deliver high strength and durability in harsh conditions
6.Easy installation and removal, suitable for repeated assembly
Why Choose In-saiL
1.Own Manufacturing Facilities: We operate own factories in Dongguan, equipped with advanced engineering, CNC machining, stamping, plating, injection molding, and automated assembly capabilities, ensuring full control over the production process.
2.Certified Quality Management: Our processes meet ISO9001 and IATF16949 standards, guaranteeing consistent product quality, reliability, and traceability.
3.esign & Engineering Expertise: We provide custom design, prototyping, and engineering support, enabling solutions tailored to your application requirements.
4.Reliable Delivery & Production Capacity: With our integrated manufacturing and quality control, we ensure on-time delivery even for complex or large-volume orders.
5.Flexible Materials & Finishes: Offering plastic, aluminum, and stainless steel Keep Nuts with customizable sizes, surface treatments, and specifications.











FAQ
1. What certificates can you provide? Do you have ISO9001 certification?
Yes, we have ISO 9001 certification for many years.In addition, we have extensive experience working with automotive companies such as Volkswagen, Mercedes-Benz, and Tesla. With their support, we also successfully passed IATF 16949 in 2023.
2. Who covers the shipping costs?
Could you please share your delivery address and postal code, or the nearest port / airport?
We'll check the shipping cost with our forwarder and get back to you shortly.
3. Can I request product samples for testing before placing a bulk order?
We strongly encourage and fully support sample testing and approval before mass production.
This helps ensure the product meets your expectations and minimizes any risks during bulk production.