Automotive Terminals Stamping Metal Parts

Machining Factory: Automotive Terminals
Origin: Zhongshan, China
Production: Stamping
Size: Customized
Surface Treatment: Plated  tin 
Color: Custom
Inspected:100% Inspected before shipment
Shipping:15-25Work days Quantity(pieces):1-1000000

Every vehicle in the world needs electricity to run, and even the engine needs electricity to start. In your car, you have many controls that require electricity. So, you can say that an electric system is a compulsory element of a vehicle. However, automotive terminals are part of this electric system.
Your car’s electric system mainly includes power distribution, starting, charging, lighting, accessories, sensors, and control systems. Automotive wire terminals connect the system through wires or cables.

We will mainly talk about automotive terminals. We will particularly explore terminal functions, production technologies, surface treatments, and quality testing procedures.
How can you benefit from this article? You will know how to choose the right automotive terminal for your project. You can also check the terminal’s quality standards and the correct materials.

What Is An Automotive Terminal

Automotive terminals are generally metal parts used in vehicles to link or connect electrical wires and cables. They usually come in various shapes & sizes and offer multiple options to suit different needs.

Some terminals are small and compact, while others are larger and more robust. They can often be found in different parts of vehicles, from the engine to the dashboard. Importantly, auto terminals are designed to hold wires together securely.

Since many types of wire terminals are used in automotive, you can not highlight the specific types of automotive terminals. However, you may often find spades, pins, rings, bullets, crimp terminals, and many more types.

How Do Automotive Terminals Function

Car terminals function in your vehicle as important power connections. the terminal connects wires or cables.

These terminals can ensure an efficient flow of electricity between electrical components. Therefore, when a wire needs to be connected to electrical equipment, the terminals act as intermediaries.

Another great advantage of using auto terminals is the secure and reliable connections. Since your car always experiences vibrations, this property of wire terminals is significant, the automotive terminal connection need strong, and quality qualified.
It generally reduces the risk of electrical failures or malfunctions. However, wire terminals offer other benefits, such as durability, flexibility, corrosion resistance, etc.

Overall, automotive terminals play a crucial role in automotive functions. Without them, your vehicle can not run on the road. If you know how a combustion engine works, you will know how vital electricity is for ignition. Therefore, auto terminals are indeed an indispensable part of every vehicle.

Application Of Automotive Terminals: Importance In New Energy Vehicles

EVs, HEVs, and PHEVs are all popular new energy automobiles. These vehicles feature modern electrical equipment such as propulsion systems, energy storage, regenerative braking, auxiliary systems, and vehicle control and safety. You can realize that automotive terminals are crucial in these modern vehicles.

The requirements for automotive terminals in modern vehicles are generally multifaceted. Besides secure and reliable connections, car wire terminals must withstand high currents and voltages associated with electric propulsion systems. In addition, they need to be designed to withstand harsh environmental conditions, such as temperatures, vibrations, and exposure to moisture & chemicals.

Most importantly, auto terminals must be compatible with the specific electrical requirements of the particular vehicle model. These requirements generally create diverse types, shapes, and sizes of auto terminals to accommodate different wire gauges and connection layouts.

To meet these requirements, automotive terminals must be made with materials that have sufficient electrical conductivity, mechanical strength, and corrosion resistance. Note that copper and brass are two key materials. They have excellent electrical and mechanical properties. However, some automotive terminals need surface treatment to protect life, like plated tin, plated nickel, or plated gold layers. This generally improves durability and reliability.

different types Automotive Terminals

Automotive Terminals Serve As Connection Points For Electrical Wires And Cables

As mentioned in the preceding section, auto terminals connect electrical wires and cables. They typically provide a flow of electricity to power various vehicle components and systems. However, people carefully assemble these terminals onto the electrical wire ends.
You must follow the proper assembly process to ensure reliable and secure connections. Indeed, this is necessary for the adequate functioning of your vehicle systems.

Step # 1: Carefully remove the insulated part of the wire’s end and expose the conductive metal core. In this case, you must ensure the wire ends are entirely clean and free from debris or oxidation.

Step # 2: Choose an appropriate automotive terminal for the specific application. In this case, you can correctly consider the wire gauge, terminal type, and electrical requirements (voltage, ampere, conductivity, resistivity).

Step # 3: Insert the stripped end of the wire into the terminal’s crimping area or receptacle. Always ensure that it reaches the appropriate depth. Then, ensure the wire is securely seated and no strands protrude.

Step # 4: Carefully crimp the terminal. In this case, you can use an appropriate crimping tool. Note: Perfect crimping always ensures a tight and secure connection.

Step # 5: Check for any misalignment and test the wiring. If necessary, secure the terminal with heat shrink tubing.

Automotive Battery Terminals

Most automotive batteries have two terminals, one positive (+) and one negative (-). the positive terminal is usually larger in size and mark plus sign, the negative terminal is small in size with a minus sign. when you install or change the battery, please attention these designations, because the wrong connection will result automobile electrical system damage.

Automotive battery terminals are important component parts of the vehicle, the automotive battery terminal is a connection point between the battery and system, provide power to various components, such as the starter, lights, and ignition system. though the battery is small size and light weight, we should pay attention on it, our automotive battery terminal materials are brass or copper, it offers better conductivity and resists corrosion better.the nut is steel.

Metal Stamping Parts Automotive terminals

The metal parts from stamping machines are called metal stamping parts. If it’s wire terminals for cars, the name extends to automotive terminals metal stamping parts. Metal stamping parts in automotive terminals offer several benefits:

1. Stamping auto terminals are precise (tolerance up to ±0.01mm). You will find that stamped wire terminals come in consistent sizes, shapes, and performances.

2. Stamping doesn’t require heating or melting, so it preserves the metal’s mechanical strength. Thus, stamped auto terminals offer high strength and durability.

3. Stamped metal parts save cost.

4. The metal stamping process allows you to customize your design, size, and configurations.

5. Since the metal stamping method doesn’t change the material’s properties, it gives the desired electrical conductivity.

Automotive Terminals Metal Stamping Production Technology

Metal stamping is a manufacturing method that creates metal parts and components by forming, cutting, and shaping metal sheets or coils. This three-step process is widely popular for making various automotive terminals.
A Metal stamping machine uses stamping presses and mold. It generally applies high pressure and force to deform the metal sheets into the desired shape.
Metal stamping production technology is widely used across various industries to produce a wide range of metal components with high precision and efficiency.

Professional Automotive terminals Factory Stamping Machine

Metal stamping machines usually come in various types, each designed for specific production requirements.

Hydraulic and mechanical stamping presses are the most common methods of manufacturing wire terminals. Hydraulic presses use hydraulic power to push metal into shape, while mechanical presses rely on mechanical forces. These machines are usually equipped with tools called dies that shape the metal.

We keep both of these types of metal stamping machines to create high-quality automotive terminals. Our products ensure the stringent requirements of the automotive industry. With these machines, we can ensure that our terminals are precisely formed, durable, and reliable. Besides, our production machines ensure that our products meet the needs of our customers.

Once the customer agrees with the design drawings’ dimensions, we make automotive terminal molds. Mold opened means getting the mold ready for production.
Mold opening has two main stages: putting the stamping machine in place and putting the dies & molds in place.
Opening the mold correctly is crucial so the ends always come out consistently. it makes per-terminal dimensions are same. It’s essential to pay close attention to this step so that the terminal dimensions are right.

The choice of materials is also crucial in the manufacturing of automotive terminals. It directly impacts the final products’ performance, durability, and reliability. Common materials used for auto terminals are copper and brass. They both are great for unique advantages and characteristics.

Brass and copper are widely used in automotive terminals due to its excellent electrical conductivity. It also offers excellent corrosion resistance and malleability. You may often find them in applications that require high electrical conductivity. Automotive wiring and terminals can be the best example of its use.

On the other hand, brass is also widely used in making automotive terminals. This material is more robust than copper. In addition, it offers excellent corrosion resistance and machinability. Since it also provides good electrical conductivity, you may often find its use in making various auto terminals.

Surface treatment is how you modify a material’s surface. The main goal is to change or improve some properties of the material. For example, appearance, durability, corrosion, and wear resistance are noteworthy. This method is crucial to making car terminals work better and last longer.
Surface treatment usually has different types. The most common ones are plating, coating, and painting. However, plating is often prevalent in the manufacturing of automotive terminals.

What is Plating? Types of plating in Automotive Terminal’s Surface Treatment

Plating is a surface treatment method in which a thin layer of metal is deposited onto the surface of a substrate material. In automotive terminal manufacturing, the substrate materials are mainly copper and brass. Metals like tin, nickel, and gold are used to plat these substrates.
Different plating materials offer unique benefits, such as corrosion resistance, improved conductivity, or aesthetic appeal. Let’s talk about them one by one.

As the name suggests, these automotive terminals come with a thin layer of tin. This plating generally improves terminals’ corrosion resistance, enhancing their durability, especially in harsh automotive environments.
In addition, tin is relatively cheaper than other plating metals, so tin-plated automotive terminals can be the most cost-effective option.
Tin-plated automotive terminals are widely used in various vehicle electrical systems. You may often find them in wiring harnesses and sensor connections.

Similarly, these auto terminals come with a thin layer of nickel. These layers generally provide excellent corrosion resistance, wear resistance, and electrical conductivity.
These benefits make nickel-plated auto terminals especially suitable for frequent movement applications. You may often find them in ignition, fuel injection, and electronic control units.

As the name implies, these automotive terminals usually have a coated layer of gold. Gold is always great for superior conductivity. However, it also offers excellent corrosion resistance.
Gold plating ensures reliable electrical connections and prevents oxidation, even in extreme conditions. They are commonly used in high-end automotive applications. Typical examples are audio systems, navigation systems, and advanced control systems. Although gold-plated wire terminals are relatively more expensive than other types, they are great for enhanced performance.

Automotive Terminal Quality Testing Instrument

Quality testing is always necessary for reliable performance. Every automotive terminals manufacturer must comply with these quality testing measures. However, a quality testing instrument generally checks whether a wire terminal is manufactured correctly. The quality testing certificate builds customers’ trust.

Quality testing instruments verify the functionality of wire terminals. It allows you to ensure dimensions are qualified. By conducting quality testing, you can ensure that wire terminals meet stringent safety and performance requirements.

Terminal Detector

A terminal detector is a specialized testing instrument. Most manufacturers use it to examine the quality and integrity of electrical terminals, connectors, and conductor components.
It checks and verifies dimensions, geometry, electrical conductivity, and alignment. This instrument ensures that terminals meet specified standards and requirements for reliable electrical connections.

Crimp Pull Tester

As the name implies, a crimp pull tester tests the mechanical strength of crimped connections between wires and terminals.
It mainly checks and verifies the strength of the crimped connections. It applies a controlled pulling force to the wire and terminal interface during testing. This force generally simulates real-world conditions and determines the ability of the crimped connection to withstand tension and maintain electrical continuity.


Automotive terminals are highly crucial to your vehicle’s overall performance. On the other hand, high-quality wire terminals strongly create reliable electrical connections and contribute to your vehicle’s overall durability and longevity. Therefore, choosing the right product is very important.
By choosing a reliable automotive terminals manufacturer, you can practically ensure their products’ quality, durability, and reliability. However, you can verify that the terminal meets rigorous standards and specifications.
Contact us today. We are always committed to delivering high-quality solutions to meet your automotive needs. Our experts are always looking forward to assisting you.


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