Custom Made Copper Grounding Pin Acid Pickled Surface For Electrical Applications

Precision Copper Grounding Pin – Built to Your Specs with Clean Surface Treatment

We supply custom-machined copper ground pins tailored for high-reliability electrical and mechanical applications. Each unit is crafted from premium-grade copper and finished with acid pickling, delivering a clean, oxide-free surface optimized for electrical contact and durability.

Manufactured in our China-based ISO 9001-certified facility, we offer competitive lead times and support both low-volume prototypes and high-volume orders. Our machining capabilities ensure every piece meets your exact design intent with a tight tolerance of ±0.01mm.

Technical Details

• Material Options: Pure copper (C11000, C12200 or per request)

• Surface Finish: Acid pickled by default, with optional treatment per customer request

• Machining Tolerance: Up to ±0.01mm

• Available Dimensions:

  • Width/Diameter: 1.5mm to 80mm

  • Length: Up to 1000mm

• Processes: CNC turning, threading, slotting, hole drilling

• Minimum Order: Flexible MOQs for different project scales

• Turnaround Time: Normally 5 to 7 working days from confirmation

What Sets Our Ground Pins Apart?

• Clean Electrical Contact Surface: Acid pickling removes oxidation and residues for low-resistance performance

• Stable Quality from China Factory: Over 20 years of experience in custom machining and export production

• Built to Order: We manufacture 100% based on your drawings and specifications

• Quick Lead Times: In-house production ensures fast and consistent delivery

• End-to-End Control: From raw copper material selection to final packaging

How to Order

1. Send Your Drawings: Preferably STEP, IGES, or PDF with dimensions/tolerances

2. Receive Quotation: We’ll return an official quote within 24 hours

3. Production Begins: After approval, we proceed with machining and quality checks

4. Shipping Worldwide: Delivered via trusted couriers (FedEx, UPS, DHL) or your nominated forwarder

FAQ

Is the acid pickled surface the only finish available?
No – while acid pickling is our default due to its electrical benefits, we can also offer other finishes per your needs.

Can I get a few samples first?
Yes, we fully support samples and small-volume testing runs.

What file types do you accept for drawings?
We accept STEP, IGES, DXF, DWG, and PDF files.

Are inspection and certification documents available?
Yes. Upon request, we can provide dimensional reports, RoHS compliance, and full inspection records.

Let us support your copper component needs with fast, dependable service and fully customized solutions.

    XIAMEN SHANG SHANG TECHNOLOGY CO., LTD is a medium-sized private enterprise specializing in precision hardware turning parts, cold heading parts, stamping parts and other processing. It is located in No.179 Tongan Park, Tongan Centralized Industrial Zone, Xiamen City, with more than 5000 square meters of plant, and has been committed to the precision hardware machining industry for nearly 20 years, and has passed the ISO9001 quality certification, and has a wealth of experience in non-standard customization.

In the course of development, our company has won many honors and commendations for its outstanding performance and positive social contributions. These include “Advanced Grassroots Labor Union”, “Workers' Pioneer” and “2011 Harmonious Enterprise”. In the future, we will continue to uphold the fine tradition and strive to create new achievements in various fields to promote the sustainable, healthy and harmonious development of the enterprise.

Our factory have more than 5,000 square feet of plant, we have devoted ourselves to the precision hardware machining industry for nearly 20 years, passed ISO9001 quality certification, and have rich experience in non-standard customization.