Best Weld Nuts of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 1 Feb 2025

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Weld nuts are small metal fasteners designed to be welded onto a metal surface, providing a secure and durable threaded connection. These nuts are commonly used in automotive, construction, and industrial applications where a strong and reliable fastening solution is required. Weld nuts come in a variety of shapes and sizes, including round, square, and hexagonal, and can be made from materials such as steel, stainless steel, and brass. These nuts are an essential component in many manufacturing processes and are highly recommended for anyone looking for a long-lasting and efficient fastening solution.

At a Glance: Our Top Picks

sourcing map M6 Carbon Steel T-Weld Nuts Pack of 25 Cover #TOP 1
sourcing map M6 Carbon Steel T-Weld Nuts Pack of 25
ftb score rating icon 9.9
sourcing map M8 Tab Base Weld Nuts Cover #TOP 2
sourcing map M8 Tab Base Weld Nuts
ftb score rating icon 9.8
sourcing map M8 Tab Base Weld Nuts Cover #TOP 3
sourcing map M8 Tab Base Weld Nuts
ftb score rating icon 9.6

Top 10 Weld Nuts

#TOP 1

sourcing map M6 Carbon Steel T-Weld Nuts Pack of 25

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Dark Grey,silver
sourcing map M6 Carbon Steel T-Weld Nuts Pack of 25 Cover
sourcing map M6 Carbon Steel Slab Base T-Shaped 2 Projection Weld Nuts Pack of 25

The sourcing map T-Weld Nuts are crafted from durable carbon steel, ensuring they stand the test of time. With a thread size of M6 x 1mm, they fit various applications, providing you with versatility in your projects. Their dimensions of 23 x 14 x 8mm make them compact yet effective, while the solder joint height of 1mm allows for precise weld penetration. These weld nuts are designed to standoff the material, making the welding process easier and more efficient for you.

What We Like
Sturdy carbon steel construction
Compact size for versatile use
Facilitates easy weld penetration
Suitable for industrial applications
#TOP 2

sourcing map M8 Tab Base Weld Nuts

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Silver
sourcing map M8 Tab Base Weld Nuts Cover
sourcing map Weld Nuts,M8 Tab Base UNC Carbon Steel Machine Screw 4 Projection Silver 10Pcs

The sourcing map Weld Nuts are designed with a thread size of M8 x 1.25mm, ensuring compatibility with various applications. Made from durable carbon steel and graded 4.8, these nuts provide excellent strength and reliability. Their flat solder joints allow for easier welding, enhancing the overall stability of your projects. With a width of 16mm and height of 10mm, they are suitable for use in furniture, shelves, and vehicles, making them a versatile choice for your threaded connections.

What We Like
Durable carbon steel construction
Good weldability for stability
Accurate thread size
Versatile for various applications
#TOP 3

sourcing map M8 Tab Base Weld Nuts

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Grey
sourcing map M8 Tab Base Weld Nuts Cover
sourcing map Weld Nuts, M8 Tab Base UNC Carbon Steel Machine Screw 2 Projection Grey 25Pcs

The sourcing map Weld Nuts are designed with a thread size of M8 x 1.25mm, making them ideal for various applications including pipe furniture and vehicle assembly. With a width of 14mm and a height of 10mm, these carbon steel nuts provide strong connections that are essential for stability. The flat solder joints ensure good weldability, providing a reliable and neat finish. Additionally, the accurate thread size allows for easier installation, ensuring a secure fit for your projects.

What We Like
Strong carbon steel construction
Good weldability
Accurate thread size
Versatile applications
Flat solder joints
#TOP 4

sourcing map M8 Round Weld Nuts - 4pcs

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M8x12mmx10mm
sourcing map M8 Round Weld Nuts - 4pcs Cover
sourcing map Round Weld Nuts, M8 x 12mm x 10mm Weld On Bung Female Nut Threaded - 201 Stainless Steel Insert Weldable 4pcs

The sourcing map Weld Nuts are designed for various applications, making them a versatile choice for your projects. With a thread size of M8*1.25mm and an outer diameter of 12mm, these nuts ensure a secure connection for items like pipe furniture, shelves, and vehicles. The 201 stainless steel material offers durability and good weldability, making the welding process easier for you. Additionally, the flat solder joints contribute to the overall strength and accuracy of your threaded connections, enhancing the reliability of your work.

What We Like
Durable 201 stainless steel
Accurate thread size
Good weldability
Versatile for various applications
#TOP 5

sourcing map Hex Weld Nuts, 1/2-13 Carbon Steel

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Gray
1/2-13
sourcing map Hex Weld Nuts, 1/2-13 Carbon Steel Cover
sourcing map Hex Weld Nuts,1/2-13 Carbon Steel with 3 Projections Machine Screw Gray 10pcs

The sourcing map Weld Nuts are designed for various applications, including furniture, shelves, and vehicles. With a thread size of 1/2-13 and a hex width of 18.8mm, they provide a strong and reliable connection. The three projections ensure quick and robust welds, making your projects easier and more efficient. Additionally, the hexagonal shape offers high torque resistance, giving you peace of mind that your fittings will remain secure and durable over time.

What We Like
Strong welds with three projections
High torque resistance
Accurate thread size
Versatile applications
#TOP 6

sourcing map Hex Weld Nuts 3/8-16 Carbon Steel

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Gray
3/8-16
sourcing map Hex Weld Nuts 3/8-16 Carbon Steel Cover
sourcing map Hex Weld Nuts,3/8-16 Carbon Steel with 3 Projections Machine Screw Gray 4pcs

The sourcing map Hex Weld Nuts are designed with a thread size of 3/8-16, making them suitable for a variety of applications, including pipe furniture and vehicles. The hexagonal shape offers high torque resistance, ensuring durability in your projects. With three projections, these nuts facilitate quick and strong welds, providing added convenience during assembly. Additionally, the carbon steel material ensures good weldability, which helps achieve flat solder joints for a professional finish.

What We Like
High torque resistance
Quick, strong welds
Good weldability
Accurate thread size
Versatile applications
#TOP 7

sourcing map M8 Round Weld Nuts, 10pcs

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M8 x 12mm x 15mm
sourcing map M8 Round Weld Nuts, 10pcs Cover
sourcing map Round Weld Nuts, M8 x 12mm x 15mm Weld On Bung Female Nut Threaded - 201 Stainless Steel Insert Weldable 10pcs

The sourcing map Weld Nuts are designed with a thread size of M8 and are made from durable 201 stainless steel, ensuring strong and reliable connections for your projects. Their outer diameter of 12mm and length of 15mm make them ideal for various applications, including pipe furniture and vehicle assembly. You will find that these nuts offer excellent weldability, allowing for flat solder joints that enhance the overall strength of your constructions. Additionally, their accurate thread size ensures a snug fit, providing peace of mind in your threaded connections.

What We Like
Durable 201 stainless steel
Suitable for various applications
Excellent weldability
Accurate thread size
#TOP 8

MultiScrew Square Self Colour Weld Nuts

WELDNUTSQ
M6 x 1.00mm pitch
MultiScrew Square Self Colour Weld Nuts Cover
Weld Nuts Square Self Colour Steel M5 M6 M8 M10 Metric Welding Nut DIN928 Grade A, S/C Uncoated For Easy Welding (50, M6 x 1.00mm pitch)

The MultiScrew Weld Nuts are square steel nuts designed for easy welding, allowing for effective weld penetration. Available in various sizes, including M5, M6, M8, and M10, these nuts are ideal for use in channels and tight spaces. With a locating boss around the threads, they ensure secure placement in pilot holes, making your welding tasks simpler. Additionally, their uncoated finish allows for straightforward welding but is best suited for internal applications to avoid corrosion.

What We Like
Easy weld penetration
Multiple size options available
Secure placement with locating boss
Ideal for tight spaces
Simple to use
#TOP 9

sourcing map M6 Round Weld Nuts - 20pcs

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M6 x 10mm x 8mm
sourcing map M6 Round Weld Nuts - 20pcs Cover
sourcing map Round Weld Nuts, M6 x 10mm x 8mm Weld On Bung Female Nut Threaded - 201 Stainless Steel Insert Weldable 20pcs

The sourcing map Weld Nuts are designed with a thread size of M6 x 1.0mm and an outer diameter of 10mm, ensuring a precise fit for various applications. Made from durable 201 stainless steel, these nuts offer excellent weldability, making your projects easier and more efficient. The process of cleaning the welding surface and soldering allows for flat joints, enhancing the overall strength of your connections. With 20 pieces included in the package, you will have plenty for your pipe furniture, shelves, and more.

What We Like
Durable stainless steel material
Easy to weld
Accurate thread sizing
Flat solder joints
Versatile applications
#TOP 10

sourcing map Hex Weld Nuts, 1/4-20 Carbon Steel

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Gray
1/4-20
sourcing map Hex Weld Nuts, 1/4-20 Carbon Steel Cover
sourcing map Hex Weld Nuts,1/4-20 Carbon Steel with 3 Projections Machine Screw Gray 20pcs

The sourcing map Weld Nuts are designed with a thread size of 1/4-20 and made from durable carbon steel. Their hexagonal shape allows for high torque resistance, ensuring secure connections. With three projections, these nuts enable quick and strong welds, making your projects more efficient. They are ideal for various applications, including pipe furniture and shelving, providing the convenience of reliable threaded connections in your DIY or professional tasks.

What We Like
Durable carbon steel material
High torque resistance
Quick, strong welds
Accurate thread size
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are weld nuts used for?

A weld nut is a special type of nut specifically designed to be welded to another object (spot welding).

2. What kind of nuts can you weld?

A weld nut is a type of nut that is specially designed to be welded to another workpiece. Different types of weld nuts are used for different purposes. These include round base nuts, slab base nuts, tab base nuts, hex and square nuts, retainer weld nuts, tube end nuts, twin piloted nuts and more.

Editor's Notes

During our weld nut research, we found 46 weld nut products and shortlisted 10 quality products. We collected and analyzed 1,852 customer reviews through our big data system to write the weld nuts list. We found that most customers choose weld nuts with an average price of £7.12.

The weld nuts are available for purchase. We have researched hundreds of brands and picked the top brands of weld nuts, including sourcing map, MultiScrew. The seller of top 1 product has received honest feedback from 20,002 consumers with an average rating of 4.8.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.