Copper Inserts | Copper Threaded Inserts
Conex Screws is one of the leading manufacturers and exporters of Copper Inserts, Copper Molding inserts and Copper Threaded Inserts from India. We have been supplying high-quality precision Copper components , Copper Machined Parts, Copper Screw Machine components to the world market for many decades. Our Copper Inserts are widely used across industries due to their excellent conductivity, corrosion resistance, and mechanical strength. We manufacture inserts in various sizes, configurations, and thread types to meet the diverse needs of industries such as electrical, automotive, aerospace, telecommunication, plastic molding, and general engineering. Our in-depth expertise, state-of-the-art machinery, and adherence to international standards (IS, BS, ASTM, DIN, JIS) ensure that our customers receive superior quality inserts with precise tolerances. Whether you need customized or standard Copper Inserts, we provide flexible manufacturing solutions with a turnaround time of 4-6 weeks.
Material Grades
We use premium-grade Copper and Copper alloys, including:
| Material Grade | Standard | Properties |
|---|---|---|
| C101 (Oxygen-Free Copper) | ASTM B152 | High conductivity, excellent corrosion resistance |
| C102 (OFHC) | ASTM B187 | High thermal and electrical conductivity |
| C110 (Electrolytic Tough Pitch Copper) | ASTM B152 | Excellent ductility, good machinability |
| C260 (Brass 70/30) | ASTM B36 | Good strength and corrosion resistance |
| C360 (Free-Cutting Brass) | ASTM B16 | Excellent machinability, good wear resistance |
Manufacturing Process
Our manufacturing process ensures dimensional accuracy, strength, and durability. The key stages include:
- Material Selection & Cutting – High-quality Copper rods or sheets are selected and cut to required dimensions.
- Precision Machining – CNC turning, milling, and drilling operations are performed to achieve precise thread dimensions.
- Threading – Threads are cut using tapping, rolling, or thread milling techniques for perfect fitment.
- Surface Finishing – Inserts are cleaned and coated to improve durability, corrosion resistance, and aesthetics.
- Quality Inspection – Every batch is checked for dimensional accuracy, thread fitment, and mechanical properties.
- Packaging & Shipping – Customized packaging with customer branding is available.
Machinery Used
- CNC Turning Centers – For high-precision inserts with tight tolerances
- Multi-Spindle Automats – For bulk production with consistent quality
- Thread Rolling Machines – For uniform and strong threads
- Tapping Machines – For internal threading of inserts
- Surface Treatment & Finishing Machines – For plating and polishing
Typical Parts Produced
- Copper Threaded Inserts (for plastic and wood applications)
- Self-Tapping Copper Inserts
- Heat-Set Inserts
- Molded-In Inserts
- Ultrasonic Inserts
- Press-In Inserts
Surface Finish Options
| Finish Type | Properties |
| Natural Copper | Standard finish with oxidation resistance |
| Tin Plating | Improves corrosion resistance and solderability |
| Nickel Plating | Enhances wear and corrosion resistance |
| Silver Plating | Best for electrical applications, excellent conductivity |
| Gold Plating | Premium finish for specialized applications |
Industries Using Copper Inserts
- Electrical & Electronics – For PCB, connectors, and switchgear
- Automotive – Used in engine components and terminals
- Aerospace – High-performance applications
- Plastic Molding – Inserts for plastic parts reinforcement
- Telecommunications – Connectors and grounding applications
- General Engineering – Various fastening applications
Tolerances
Our Copper Inserts are manufactured with tight tolerances as per customer requirements:
- Outer Diameter Tolerance: ±0.05 mm
- Thread Tolerance: 6H / 6G (as per ISO)
- Length Tolerance: ±0.10 mm
- Surface Roughness: Ra 0.8 – 1.6 µm
Performance Metrics
| Property | Value |
| Electrical Conductivity | Up to 101% IACS |
| Thermal Conductivity | 380-400 W/mK |
| Tensile Strength | 200-300 MPa |
| Hardness | 45-85 HB |
| Corrosion Resistance | High |
Why Choose Us?
- Global Exporter with 30+ Years of Experience
- Faster Turnaround Time (4-6 Weeks)
- Superior Customer Support & Communication
- Customization in Size, Material, and Finish
- Flexible Production Volumes
- Customized Packaging with Branding & Labeling
- ISO 9001 Certified Manufacturing Process
Customer Testimonial
John R., USA: “The quality of Copper Inserts from this company is unmatched! Their customer service is excellent, and they delivered exactly as promised. Highly recommended!”
Glossary of Terms
- IACS – International Annealed Copper Standard, a measure of electrical conductivity
- Ra – Surface roughness parameter
- ISO 6H/6G – Standard for thread tolerance
- OFHC – Oxygen-Free High Conductivity Copper
Looking for high-quality Copper Inserts and Copper Threaded Inserts? Contact us today for a free quote! Email us ,call us or reach out via WhatsApp!
