Best Flag Terminals of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Flag terminals are an essential electrical component used to connect wires to other devices. These small, flat connectors are designed to be easily attached to a wire end, and are commonly used in automotive, marine and industrial applications. They are available in a variety of sizes and materials to suit different wire gauges and environmental conditions. Flag terminals are typically made from materials such as copper, brass or stainless steel, and are often coated with tin or nickel to prevent corrosion. They are a cost-effective and reliable way to make secure electrical connections, and are widely used in a range of industries.
At a Glance: Our Top Picks
Top 10 Flag Terminals
NSI SF12-250-3-S Uninsulated Flag Terminal
The NSI SF12-250-3-S Uninsulated Flag Terminal is a small pack of UL listed terminals that are ideal for 12-10 wire sizes. With a tab size of 0.250" x 0.032", these uninsulated flag terminals are perfect for a wide range of electrical applications.
Sherco-Auto Female Flag Quick Connectors 16-14 AWG
The Sherco-Auto Flag Connectors are perfect for tight spaces, making them ideal for cars, trucks, boats, and motorcycles where space is limited. These connectors handle high temperatures up to 900°F, so you don’t have to worry about heat damage in engine bays or industrial settings. Their nickel-plated steel design resists corrosion and wear, ensuring a long-lasting, reliable connection even with frequent use. Plus, they’re easy to crimp using standard tools, saving you time and effort when wiring car stereos or building custom harnesses. These connectors offer dependable performance for your electrical projects.
Uninsulated Flag Terminal - 16-14 Wire Size
This UL Listed Uninsulated Flag Terminal is available in small packs and is compatible with 16-14 wire size. The 0.250-Inches x 0.032-Inches tab size ensures a secure connection. Ideal for those who need a reliable and affordable option for connecting wires.
The Hillman Group 50020 Flag Wire Terminal
The Hillman Group 50020 1/4-Inch Flag Wire Terminal is a set of 15 flag terminals made in Taiwan. The package dimensions are 2.5" in length, 1.4" in width, and 1.5" in height. It falls into the category of flag terminals.
NSi Nylon Insulated Flag Terminal - IFL12-250-3N-S
The NSi Nylon Insulated Flag Terminal, also known as the NSi Flag Terminal, is a versatile electrical connector designed for various applications. Its nylon insulation provides excellent protection against electrical shock and short circuits. This terminal comes in small packs, making it convenient for users who only need a few connectors at a time. With a wire size of 12-10, it is suitable for a range of wire gauges. The 0.250-inch x 0.032-inch tab size ensures a secure connection. The NSi Flag Terminal is UL listed, guaranteeing its quality and safety. Overall, this terminal offers reliable electrical connections in a compact and efficient design.
Pro'sKit 300-070 Lunar Series Die Set for Insulated Flag Terminals
This die set for insulated flag terminals has a crimp size of 1.5 mm² - 2.5 mm². Its compact size of 1.699999998266" x 1.39999999857199" x 0.799999999184" makes it easy to store and transport. It is designed for use with flag terminals, making it a useful tool for electrical work.
NSI Specialty Connector, Female Flag, 16 AWG
NSI Female Flag Connector is a specialty connector with a 0.187 x 0.020 16 AWG female flag. It is UL listed and made in the United States. This connector is useful for connecting wires to a terminal block or other electrical devices. With a female flag connector, you can easily connect and disconnect wires without having to strip or twist them. The 16 AWG wire size is suitable for both low-voltage and high-voltage applications. Being UL listed, you can trust that this connector meets the highest safety standards. With NSI Female Flag Connector, you can save time and effort in your electrical wiring projects.
Crimp Supply 2/0 Ga. Battery Terminals
The Crimp Supply Battery Terminals are designed to enhance your battery connections with several key features. They are completely free of lead and comply with RoHS standards, ensuring safety and environmental friendliness. The tin plating provides excellent resistance to corrosion, which means you can expect a longer lifespan for your terminals. With superior conductivity compared to standard options, these terminals help ensure efficient power transfer. Additionally, the color-coded and die-coded design makes installation simple and straightforward, allowing you to easily identify connections. These features combine to provide reliable performance and convenience for users.
Crimp Supply 4/0 Ga. Positive Flag Battery Terminal
The Crimp Supply Flag Terminal is designed to offer a reliable and safe connection for your battery. It is made without any lead, which means it meets strict safety standards and avoids harmful chemicals, giving you peace of mind. The terminal is coated with tin, which helps protect it from rust and corrosion, so it lasts longer even in tough conditions. It also provides excellent electrical conductivity, ensuring efficient power flow for your battery needs. Plus, its color and die coding make it easy for you to identify and install the terminal correctly, saving you time and hassle.
2/0 Ga. Negative Flag Battery Terminals
These flag battery terminals are completely lead-free and RoHS compliant, making them exempt from CA Proposition 65 requirements. They are tin plated for superior corrosion resistance and offer superior conductivity compared to standard battery terminals. The color-coded and die-coded design ensures easy identification.
Frequently Asked Questions (FAQs)
1. What is Flag terminal?
Flag Post Terminals ensure that you have the best connection possible. They are used to connect two in-line battery cables to a battery post. Each flag post terminals is cast with 131 contact copper. Using 93% to 95% of copper eliminates potential liability and cost associated with products containing lead.
2. What are terminals and connectors?
Terminals and connectors are any of the various types of electrical wire connectors used to end a wire or cable and connect it to an electrical system or terminate it completely.
3. What are spade terminals used for?
Spade terminals are used to connect or terminate a single wire while it is connected to a stud or screw type used for an electrical connection. Since the shape of the spade is similar to a fork or spade, it's shape allows you to quickly set screws in place.
During our flag terminal research, we found 24 flag terminal products and shortlisted 10 quality products. We collected and analyzed 2,798 customer reviews through our big data system to write the flag terminals list. We found that most customers choose flag terminals with an average price of $14.67.
The flag terminals are available for purchase. We have researched hundreds of brands and picked the top brands of flag terminals, including NSI, Sherco-Auto, Hillman, Pro'sKit, Crimp Supply. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.
Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.