Get the Latest on Precision Machining & Custom Parts


Looking for a reliable custom EV charging pin manufacturer? VOLCRIX specializes in Swiss machined connector pins with ±0.005mm tolerance. ISO 9001 certified EV charging contact supplier.
EV charging contact pins are the precision-machined metal components inside charging connectors that physically connect the charger to the vehicle’s battery system. These pins must conduct high currents reliably while maintaining consistent contact pressure through thousands of charging cycles.
At VOLCRIX ELECTRONICS, we specialize in manufacturing custom EV charging pin solutions using Swiss-type CNC turning — achieving tolerances as tight as ±0.01mm. As an experienced EV charging contact supplier, we understand the unique material science and precision requirements behind every pin we produce.

Off-the-shelf pins rarely meet the exact requirements of modern EV charging systems. A custom EV charging pin manufacturer offers several advantages:
Not all CNC machining is created equal. Swiss machined connector pins are produced on sliding-headstock CNC lathes that deliver superior concentricity, surface finish, and dimensional consistency compared to conventional CNC turning.
VOLCRIX operates a full workshop of Swiss-type CNC machines capable of producing connector pins from 0.5mm to 32mm diameter, with typical tolerances of ±0.01mm and surface finishes down to Ra 0.4μm.

Our EV charging contact pins are used across multiple charging standards and applications:

As a trusted EV charging contact supplier, VOLCRIX ELECTRONICS offers end-to-end manufacturing services:
| Capability | Details |
| Machine Type | Swiss CNC sliding-headstock lathes |
| Diameter Range | 0.5mm – 32mm |
| Tolerance | ±0.01mm |
| Materials | C11000, C18150, C14415, Brass, Phosphor Bronze, Stainless Steel |
| Surface Finishing | Gold, Silver, Nickel, Tin plating (selective or full) |
| Quality System | ISO 9001:2015 |
| Lead Time | Prototype: 5-7 working days | Mass Production: 15-20 working days |

With 35+ years of precision manufacturing experience, VOLCRIX brings unmatched expertise to every charging pin we produce. Here’s why customers choose us as their custom EV charging pin manufacturer and EV charging contact supplier:
Whether you need 100 prototype pins or 100,000 production units, we have the capacity and expertise to deliver. See our EV charging connector pin case study for a real-world project example.
Ready to discuss your EV charging pin requirements? Contact our engineering team for a free quote and capability review.
Keywords: Custom EV Charging Pin Manufacturer, EV Charging Contact Pins, EV Charging Contact Supplier, Swiss Machined Connector Pins
What diameter range for charging pins?
Typical Swiss turning covers 0.5mm to 32mm. EV charging pins are commonly 3mm to 12mm diameter.
What surface finish can Swiss turning achieve?
Standard Ra 0.4µm or better on copper alloys. Ideal for charging pin contact surfaces.
What materials can Swiss turning machine?
All common charging pin alloys: C11000 copper, C26000 brass, C17200 BeCu, C14500 tellurium copper.