Copper Grounding Contact Pin With Acid Pickling Finish Electrical Connector Parts
Custom Machined Copper Grounding Pin – Acid-Pickled Finish
We manufacture precision copper grounding pins, tailored to meet your specific mechanical and electrical requirements. Made from high-purity copper and finished with acid pickling, each part is engineered for enhanced conductivity and superior corrosion resistance.
Our ISO-certified factory in China offers flexible CNC machining services, delivering consistent quality with a ±0.01mm tolerance range. With over 20 years of machining experience, we support both prototyping and full-scale production with competitive lead times.
Product Highlights
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Material: C11000/C12200 copper (customizable)
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Finish: Acid pickling + optional custom surface treatment
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Machining Tolerance: ±0.01mm
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Dimension Capability:
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Diameter: 1.5mm–80mm
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Max Length: up to 1000mm
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Processing Type: CNC turning, CNC milling, threading, grooving, etc.
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MOQ: Flexible, low-volume accepted
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Lead Time: Normally 5–7 working days
Why Choose Us?
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Clean, Oxide-Free Surface: Acid pickling removes scale and impurities, ensuring consistent electrical contact
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High Precision: Tight tolerance control and full dimensional inspection
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Custom Machining: Every part is made based on your drawings or samples
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Fast Production: In-house capabilities ensure rapid turnaround
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Reliable Chinese Supplier: 20+ years of export machining experience
Quotation Process
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Send Your Drawing: PDF/DWG/STEP formats accepted
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Get a Quote in 24H: Clear pricing and lead time
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Production: Upon confirmation, we begin processing
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Shipping: Global delivery via DHL, FedEx, or forwarder of your choice
FAQ
Do you support different types of copper materials?
Yes, tell us your preference – we can machine according to your specific copper grade.
Is the acid pickled finish mandatory?
We offer it as a standard. If you need a different surface finish, just let us know.
Can I get just a few samples?
Yes, we accept sample orders and small quantities.
Can I request quality documentation?
Absolutely – RoHS, dimensional reports, and certificates can be provided as needed.
Let’s build your custom copper grounding pins with accuracy, speed, and full support. Get in touch for a fast quote.
| Project Description | |
| Design/size according to customer's sample or drawing | |
| Material | |
| Copper | H59 H62 lead-free copper and purple copper, etc. |
| Titanium | TC4 (TiAl6v4, grade 5). |
| Alloy steel | 15Cr, 20Cr, 42CrMo) |
| Aluminum | 6061, 6063, 6082, 7075, 5052, A380, etc. |
| Plastics | POM, paraformaldehyde, nylon |
| Steel | Mild steel, carbon steel, 4140, 4340, Q235, Q345B, 20#, 45#, etc. |
| Stainless steel | SS303, SS304, (SS304 food grade), SS316, SS316L, SUS430, SS416SS201, SS301, |
| Other | |
| Surface treatment | Transparent anodizing, color anodizing (color code required, actual samples to prevent color difference), chemical film, passivation, polishing, chrome plating, sandblasting, laser engraving, zinc plating, black oxide, nickel plating, chrome plating, carburizing, heat treatment |
| Test Equipment | Rockwell Hardness TesterSalt Spray TesterRoughness TesterCloud Disc High Speed Tester SP-T300 |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.