China Jp Standard Plug Pin Manufacturers Factory - Buy Discount Jp Standard Plug Pin

Custom Engineered JP Standard Plug Pins for Global Electrical OEMs

As a specialized manufacturer and global B2B supplier in precision metal components, we focus on the research, development, and mass production of industrial fastener and electrical hardware solutions. Operating from our manufacturing facilities, we deliver high-precision components tailored to international standards such as ASME, DIN, EN, JIS, and ISO. Our core business supports global B2B clients, tier-1 assembly manufacturers, and industrial distributors across automotive, electrical, construction, and fluid control sectors.

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Types and Specifications

Pin Type	Length (mm)	Outer Dimensions (mm)	Material	Plating Finish	Standard
Solid Round Pin	19.0 +/- 0.05	Dia 4.0 / Dia 4.5	C2680 / C3604 Brass	Min. 3um Nickel over Copper	JIS C 8303
Hollow Round Pin	19.0 +/- 0.05	Dia 4.0 (ID 2.5)	C2680 Brass Strip	Tin-Plated (3-6um)	JIS C 8303
Flat Blade Pin	15.6 +/- 0.05	6.3 x 1.5 mm	C2680 Rolled Brass	Nickel Plated	JIS C 8303 / PSE
Ground Pin	Customized	Custom Size	C3604 Free-Cutting Brass	Flash Nickel	JIS / IEC

Materials and Standards

Base Materials

We use high-conductivity copper alloys, including C2680 cartridge brass for cold forming and C3604 free-cutting brass for high-precision CNC turning. Copper content is kept between 62% and 68% to ensure stable electrical conductivity and physical strength.

Standards

All parts comply with JIS C 8303 (Plugs and Receptacles for General Use), RoHS (EU 2015/863), REACH, and support electrical safety evaluations required for PSE certification.

Product Structure

Pin Body

Produced through progressive die stamping or high-speed CNC turning. This ensures uniform cross-sections and prevents cracks during bending.

Insertion Tips

Precision-machined with controlled chamfers (15 to 30 degrees) to protect receptacles from damage and reduce insertion force.

Custom Features

Cross-drilled holes, retention barbs, shoulder collars, or secure crimping tails can be added based on your housing design.

Surface Finishes

Plating Options

Electroplated Nickel plating (3um to 5um) or Bright Tin plating (3um to 6um) using rack or barrel plating lines.

Corrosion Resistance

Samples pass 48-hour Neutral Salt Spray Testing (ASTM B117) to prevent red rust or green copper oxidation.

Nickel Plated Brass Plug Pins for Us Standard

Clean Surface

Parts go through centrifugal mass finishing to remove burrs, oil residues, and stamping lubricants, making them ready for ultrasonic welding or soldering.

Application

AC power cords and molded plug sets for consumer electronics.

Household appliances exported to the Japanese market.

Industrial power distribution strips and multi-outlet adapters.

Travel adapters and detachable charger pins.

OEM Customization

Dimension Changes

Custom pin lengths, varying barrel diameters, and non-standard shoulder positions made from 2D or 3D CAD files (STEP / IGES).

Material Selection

Alloy choices tailored to your exact thermal and mechanical needs.

Packaging

Anti-static carrier tape packaging for automated assembly lines, or bulk vacuum-sealed bags with desiccants for safe transit.

Manufacturing Capability

In-House Tooling

Our tool room features high-precision wire EDM, CNC surface grinders, and optical profile projectors to build progressive dies quickly.

Production Machines

45T to 160T high-speed stamping presses running up to 600 strokes per minute, paired with multi-axis CNC sliding head lathes.

Output

Monthly production capacity exceeds 15 million pieces to support stable bulk supply for tier-1 cord set makers.

Quality Control

Dimensional Check

100% automated optical sorting machines check pin length, outer diameter, straightness, and defects at full speed.

Lab Testing

Our lab uses optical comparators, X-ray coating thickness testers, hardness testers, and insertion force test rigs.

Traceability

Lot-controlled records track raw material mill test certificates (MTC) from production to final packaging.

Our Company

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What to Specify When Ordering

To get a fast and accurate quote, please share the following details:

Engineering Drawing

2D drawing with critical dimensions, tolerances, and plating notes.

Pin Shape

Solid or hollow structure, flat blade or round pin.

Material Grade

Preferred brass alloy (e.g., C2680, C3604).

Finish Requirements

Plating type (Nickel or Tin) and minimum thickness.

Volume

Expected annual quantity and trial order batch size.

FAQ

Q: What brass alloys do you use, and what is their electrical conductivity?

A: We mainly use C2680 brass strips for stamping and C3604 free-cutting brass for CNC turning. These alloys maintain good electrical conductivity while providing the mechanical strength needed to prevent bending under rated current.

Q: Are your pins fully compliant with JIS C 8303 and PSE standards?

A: Yes. All sizes, tolerances, and materials follow JIS C 8303 rules, helping our clients pass final PSE product safety tests easily.

Q: Do you supply solid pins or hollow pins?

A: We make both. Solid round and flat pins are produced for high-current durability, while hollow pins are formed from brass strip stock with controlled wall thickness for exact receptacle fit.

Q: What is the standard plating thickness for corrosion resistance?

A: Our standard nickel plating is 3um to 5um over a copper strike layer, and bright tin plating is 3um to 6um. We check plating thickness using X-ray fluorescence (XRF) inspection reports for every batch.

Q: How do you control quality during high-speed production?

A: We use automated optical sorting machines on our production lines. This system inspects 100% of finished pins for outer diameter, length, and surface defects before packing.

Q: Can you make custom pins from our engineering drawings?

A: Yes. Over 70% of our work is custom OEM/ODM production. Our engineering team reviews 2D and 3D drawings (STEP, IGES, PDF) to check design feasibility before tooling begins.

Q: What is the lead time for new tooling and samples?

A: For custom designs that need new stamping dies or CNC fixtures, tooling and sample delivery take about 15 to 25 business days, depending on shape complexity.

Q: How do you pack parts for export to prevent rust?

A: Pins are packed in anti-static vacuum-sealed polyethylene bags with moisture-absorbing desiccants inside double-walled export cartons. Carrier tape and reel packaging are also available for automated lines.

We're well-known as one of the leading jp standard plug pin manufacturers in China, specialized in providing high quality customized products. Please feel free to buy discount jp standard plug pin made in China here from our factory. For quotation and free sample, contact us now.

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