Your Professional Stamping Service Supplier

 

 

Founded in 2010, Protech is a China-based manufacturer specializing in plastic and hardware products, with strong capabilities in high-precision tooling, injection molding, and metal stamping. We operate multiple production facilities with a total area of over 8,000㎡, including a 2,500㎡ tooling factory in Dongguan and a 6,000㎡ molding and stamping factory in Shenzhen.Equipped with advanced CNC machining and precision inspection systems, we support tight tolerances and stable quality.

 

 
  • Crimping Terminals Stamping
    Product Name: New Energy Low-Voltage Harness Crimp Contacts & Crimping Terminals. . Product Material: Brass (C18070), Copper Alloy (C7025), Phos Bronze (C5191, C5210), Stainless Steel (SUS301). .
  • Connector Terminals Stamping Die
    Product Name: High Precision Connector Terminals Progressive Stamping Die. . Die Structure: Modular Structure, Progressive Die (Continuous Die). Facilitates easy maintenance and part replacement.. .
  • HDMI Shell Progressive Stamping Die
    Product Name: High Precision Customized HDMI Shell Progressive Stamping Die. . Product Material (Strip): Brass (C18070, C2600), Copper Alloy (C7025), Phosphor Bronze (C5191, C5210), Stainless Steel
  • High-speed Progressive Stamping Die
    Product Name: Customized Insert Molding & Progressive Stamping Total Solution for Automotive Lead-Frame Component. . Product Materials: Plastics: High-temperature engineering plastics such as LCP,
  • Bandolier Pin Stamping
    Product Name: Precision Stamping Square Terminals Bandolier Pin Stamping 0.3-0.64mm Connector Pins. . Product Material: Brass (C2600), Copper (C1100), Phosphor Bronze (C5191, C5210). Special Alloys:
 
Why choose us
 
 
 

Our Certificate

Our factories are certified to ISO 9001, ISO 14001, IATF 16949, and supported by UL and SGS audits, ensuring compliance with international quality and environmental standards.

 
 

Experienced Engineering Team

Our engineering team boasts a professional design team with over 15 years of experience and a large pool of skilled technicians, ensuring expertise and innovation in every project.

 
 

Quality Management

We employ advanced quality management tools such as FMEA, PPAP, ECN, and SPC/CPK to continuously monitor and enhance our processes, ensuring consistent excellence and customer satisfaction.

 
 

OEM & ODM

We provide flexible OEM and ODM solutions, supporting customers from concept development and engineering design to tooling, production, and mass delivery.

 

 

Crimping Terminals Stamping
 

A stamping crimp terminal is a precision-engineered metal connector manufactured through a stamping process and crimped onto electrical wires to ensure reliable conductivity and secure electrical connections. These terminals are essential in automotive, industrial, and electronic systems where consistent current transfer, durability, and safety are critical.

Feature

Specification/Description

Product Name

New Energy Low-Voltage Harness Crimp Contacts & Crimping Terminals

Product Material

Brass (C18070), Copper Alloy (C7025), Phos Bronze (C5191, C5210), Stainless Steel (SUS301)

Mold Structure

Modular Continuous Progressive Die

Processing Tech

Precision Progressive Stamping (Optimized Strip Layout)

Production Capacity

High-Volume Stamping (18 Presses: 25T-110T incl. Yamada Dobby 30T/40T)

Application Scope

New Energy Vehicles Wire Harness (EV/HEV), Aerospace Wiring, Medical Devices, Industrial Controls

Customization Core

Full Service: DFM, CAE Sim, 3D/2D Design, Tooling Fabrication, Tooling Tryout, Dimension Measurement, PPAP, Mass Production Service

 

Advantages of Crimping Terminals Stamping
Crimping Terminals Stamping
Connector Terminals Stamping Die
High-speed Progressive Stamping Die
Bandolier Pin Stamping

High-Efficiency Production: The stamping process is simple and efficient, enabling rapid completion of large-volume production tasks. Ordinary presses can achieve dozens of strokes per minute, while high-speed presses can reach hundreds or even thousands of strokes per minute.

 

High Material Utilization: Stamping generally does not generate chips or scraps, resulting in less material waste. Simultaneously, the continuity of the material is maintained during the stamping process, resulting in a smooth and flat terminal surface, eliminating the need for additional surface treatment and further saving production costs.

 

Stable Product Quality: The mold ensures the dimensional and shape accuracy of the stamped parts, and generally does not damage the surface quality of the parts. Molds have a long lifespan, resulting in stable stamping quality and good interchangeability, exhibiting a "perfectly identical" characteristic, which helps improve the overall product quality.

 

Shape Diversity and Complexity: Stamping can process parts with a wide range of sizes and complex shapes, meeting the needs of different products. This flexibility gives the stamping process broad application prospects in terminal manufacturing.

 

High Strength and Rigidity: The cold work hardening effect of the material during stamping results in high strength and rigidity of the stamped parts, which helps improve the durability and reliability of the terminals.

 

Adaptability to Harsh Environments: Crimped terminals perform stably in harsh environments, such as high vibration and thermal cycling environments, maintaining reliable connection performance.

 

Easy Automation: Stamping operations are simple and easy to mechanize and automate. This not only improves production efficiency but also reduces the skill requirements for operators, helping to lower production costs.

 

Types of Crimping Terminals Stamping
 

Ring Terminals

Featuring a closed circular loop, ring terminals are designed to be secured firmly over a screw or bolt post, providing a stable and vibration-resistant connection.

 

Fork Terminals

Also known as "spade" or "split ring" terminals, fork terminals have a U-shaped opening with two prongs that allow the terminal to be clamped under a screw without fully removing the fastener.

 

Bullet/Nut Terminals

Comprising male and female bullet-shaped connectors, these terminals slide together to form a snug, low-resistance connection. Some variants include a locking collar or screw mechanism for added security.

 

Splice Terminals

Designed to join two or more wires together, splice terminals (or butt connectors) create a secure, insulated, or non-insulated junction. They are commonly used in wire extensions and repair applications.

 

Insulated Terminals

Coated with heat-shrink tubing, nylon, or PVC insulation, these terminals prevent accidental short circuits, protect against moisture, and resist corrosion.

 

Non-Insulated Terminals

Made of bare metal (typically copper or brass), these terminals provide maximum conductivity and are used where insulation is unnecessary or undesirable.

 

Applications of Crimping Terminals Stamping

 
Automotive and Aerospace Applications

In both automotive and aerospace systems, stamped crimp terminals are vital for connecting wiring harnesses, sensors, control modules, and electronic control units (ECUs). These environments demand high reliability due to exposure to extreme conditions such as constant vibration, wide temperature fluctuations (-40°C to 150°C), moisture, and chemical exposure.

Industrial Machinery

Industrial equipment relies heavily on crimp terminals for wiring control panels, motor drives, PLCs, and power distribution units. These systems operate under heavy electrical loads and mechanical stress, making secure and durable connections essential for safety and operational continuity.

Home Appliances and Consumer Electronics

Stamped crimp terminals are extensively used in household appliances and consumer electronics for internal wiring of circuit boards, power supplies, motors, and battery packs. Space constraints and cost-efficiency drive the selection of compact, high-performance terminals.

Telecommunications Equipment

In telecom infrastructure—ranging from base stations and routers to fiber optic enclosures and power backup systems—crimp terminals ensure stable and noise-free electrical connections critical for signal integrity and data reliability.

Electrical Installations

From residential breaker panels to large-scale industrial switchgear, crimp terminals are fundamental in electrical power distribution systems. They ensure safe, long-lasting connections that meet code requirements and withstand continuous current flow.

 

Material Selection of Crimping Terminals Stamping
1

Copper & Copper Alloys

Copper is the most widely used material due to its exceptional electrical conductivity and good corrosion resistance. It provides a strong, reliable connection ideal for high-current applications.

2

Coated Copper (Nickel, Tin, or Gold)

To enhance corrosion resistance without sacrificing conductivity, copper terminals are often plated with metals like nickel, tin, or gold.

3

Aluminum

Aluminum is a lightweight and cost-effective alternative to copper, with decent electrical conductivity. While not as conductive as copper, aluminum is widely used in automotive and aerospace industries where weight savings are crucial.

4

Steel & Stainless Steel

Steel and stainless steel are selected primarily for their high tensile strength and durability in rugged environments. These materials are ideal for grounding terminals, chassis connections, or structural components where mechanical robustness outweighs the need for high conductivity.

 

Finish of Crimping Terminals Stamping

Gold Plating

Offers excellent conductivity and superior resistance to oxidation and corrosion. Ideal for low-voltage, high-reliability applications such as sensors and communication devices, though more expensive.

Tin Plating

Provides good corrosion resistance at a lower cost, commonly used in general-purpose electrical connections. May form tin whiskers over time in certain environments.

Zinc Coating

Applied to steel terminals to prevent rusting; often used in grounding applications or outdoor installations.

 

Maintenance Tips
 

Regular Inspection
Inspect crimp terminals periodically for visible signs of damage, such as cracked insulation, discoloration (indicating overheating), corrosion, or loose connections. In industrial or outdoor settings, monthly checks are recommended. Early detection of wear or corrosion allows for timely replacement before failure occurs.

 

Cleanliness is Key
Dirt, dust, moisture, and chemical contaminants can increase electrical resistance and accelerate corrosion. Clean terminals using a soft wire brush, electrical contact cleaner, or fine-grit sandpaper to remove oxidation and debris. Avoid abrasive methods that could damage plating. Always ensure connections are dry before re-energizing the circuit.

 

Proper Torque Settings
When terminals are mounted to posts or studs, correct torque is essential. Over-tightening can deform the terminal barrel or strip threads, leading to a weak connection. Under-tightening increases contact resistance, causing arcing, heat buildup, and potential fire hazards.

 

Protecting Against Moisture
Moisture exposure is a leading cause of terminal corrosion. Use insulated crimp terminals (with vinyl, nylon, or heat-shrink insulation) whenever possible. For non-insulated terminals in damp environments, apply dielectric grease, silicone sealant, or moisture-resistant tape to create a protective barrier.

 

Monitoring Electrical Loads
Exceeding a terminal’s current rating leads to overheating, insulation breakdown, and eventual failure. Ensure that the terminal is rated for the maximum expected load, including surge currents. Install appropriate fuses or circuit breakers to protect against overloads and short circuits.

 

FAQ

 

Q: Are small orders below 100 units acceptable?

A: Yes, you can make a small order in the early stage.

Q: I need a price list for all your products. Do you have a price list?

A: Sorry, we don't have a price list for all our products. "Because we have too many products with different attributes, we cannot list all the prices on the list.". And because of production costs, prices are always changing. If you want to check the prices of our products, please feel free to contact us. We will send you a quote soon!

Q: I can't find a product on your website. Can you make this product for me?

A: Our website shows some of our products, but not all of them. So just let us know what products you need and how many products you want. We can customize it for you.

Q: Can you provide samples? Is the sample free of charge?

A: Yes, we can provide samples.Generally, we provide 1-3 free samples for testing or quality inspection. But you must pay for the freight. If you need many items, or require more quantities per item, we will charge a sample fee.

Q: What is your delivery time?

A: Generally, it takes 7-10 days after receiving the advance payment. The specific delivery time depends on the item and quantity on your order.

We're well-known as one of the leading stamping products manufacturers and suppliers in China. With over 15 years' experience, we warmly welcome you to buy high quality stamping products at competitive price from our factory. Contact us for more details.

High speed Progressive Stamping Die, Bandolier Pin Stamping, Connector Terminals Stamping Die
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