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Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components
Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components
Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components
Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components
Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components
Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components

Custom Electrical Connector Pins - CNC Machined Terminal for Circuit Components

US$ 0.10 ~ 0.1
Min.Order: 1
Product origin: Ningbo, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 68 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Process Type : Precision Cold Stamping & CNC Machining
  • Material Options : Aluminum, Stainless Steel, Titanium, Brass, Copper
  • Tolerance : ±0.01mm to ±0.05mm
  • Surface Roughness : Ra 0.1-3.2
  • Surface Treatments : Plating, Anodizing, Passivation, PVD Coating
  • Production Equipment : CNC Machining Centers, Automatic Lathes, Grinders
  • Inspection Equipment : CMM, Video Measuring System, Hardness Tester
  • Drawing Formats : STEP, STP, IGES, CAD, PDF, DWG, DXF
  • Minimum Diameter : 0.5mm
  • Maximum Length : 300mm
  • Customization : Fully Customizable Designs
  • Sample Availability : Yes
  • MOQ : 1 piece for samples
  • Lead Time : 15-45 days depending on complexity
  • Primary Applications : Electrical Components, PCB Connectors, Automotive Electronics

Basically needed reliable connection point for some rather finicky PCB components and automotive electronics we've been prototyping, and these custom-machined pins fit teh bill without the usual sourcing headache.

precision stamped pin terminal

We're using them mainly for the small stuff — resistors, capacitors, and a few inductors where standerd off-the-shelf terminals just wouldn't hold up, and the 0.5mm minimum diameter was a lifesaver for those tight board layouts.

CNC machining pin terminals

Tolerances came in at ±0.01mm on the critical dimensions, which is tighter than most stamping houses will even quote, and they ran the whole batch through a CMM and video measuring system before shippng — so no surprises when we plugged them in.

metal pin terminal materials

progressive die stamping process

Surface roughness was spec'd at Ra 0.1 to 3.2, but what we actually got on the copper alloy samples was around 0.2 across board, which is better than reagent grade for this kind of work anyway.

enhanced pin terminal designs

They'll do single-piece samples (MOQ of 1 for that), which is pretty much unheard of for a custom CNC job, and the lead time was about 25 days for our order — though I'd confirm for anything over 200mm long, as that can push it to 45 days or so.

quality inspection of pin terminals

One thing to note: these aren't suited for high-temperature environments above 300°C without a specific coating, so if you're looking at engine bay connectors, you'll want the passivation option or PVD — we went with anodizing on the alumnum batch and it's been fine for our board-level work so far.

Frequently Asked Questions

What's the minimum diameter you can machine for these connector pins?

We can go as small as 0.5mm in diameter, so even for very tight pin layouts, we've got you covered.

Do you offer free samples before I commit to a larger order?

Yes, samples are available, and the MOQ for samples is just 1 piece. You can test the fit and finish first.

Can you hold tolerances tighter than ±0.01mm on these pins?

Our standard tolerance range is ±0.01mm to ±0.05mm. If you need something tighter, let's talk—we can often adjust based on the design and material.

What certifications do your pins come with for automotive electronics use?

We're ISO 9001, ISO 14001, and IATF 16949 certified, so you get full traceability and quality documentation for automotive-grade applications.

How long does a typical custom pin order take from drawing to delivery?

Lead time ranges from 15 to 45 days, depending on complexity. Simple designs are quicker; complex geometries or special coatings may take a bit longer.

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