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Brand Name : Customized
Model Number : Customized
Certification : ISO9001:2015
Place of Origin : China, Fujian
MOQ : 1000PCS
Price : Price can be discussed
Payment Terms : T/T
Supply Ability : 1-1000 pcs 14work days
Delivery Time : 15 work days
Packaging Details : Customized packaging services according to the change of package size of your goods
Material capabilities : Aluminum,Brass,Stainless Steel,Copper
Cnc machining or not : CNC Machining
Type : Other Machining Services,Turning
Keyword : CNC Machining,high precision
Product name : Cold Heading Parts
Service : Customized OEM
Material : aluminum,brass,Stainless Steel
Process : Turning,CNC Machining
Micro machining or not : Micro Machining
Lead time : 15~25 working days
Tolerance : 0.01mm
Color : Any color
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.
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
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
Send Your Drawings: Preferably STEP, IGES, or PDF with dimensions/tolerances
Receive Quotation: We’ll return an official quote within 24 hours
Production Begins: After approval, we proceed with machining and quality checks
Shipping Worldwide: Delivered via trusted couriers (FedEx, UPS, DHL) or your nominated forwarder
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.
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 |
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Custom-Made Copper Grounding Pin | Acid Pickled Surface for Electrical Applications Images |