Best Metric Flange Nuts of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 5 Feb 2026

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Metric Flange Nuts are an essential component in many industrial applications, providing a secure and stable fastening solution. These nuts have a flange at the base that acts as a washer, distributing the load evenly and preventing damage to the surface. They are available in a range of sizes and materials, making them suitable for various environments and applications. Metric Flange Nuts are highly recommended for those seeking a reliable and durable fastening solution.

At a Glance: Our Top Picks

Swpeet 165Pcs Stainless Steel Flange Nuts Kit Cover #TOP 1
Swpeet 165Pcs Stainless Steel Flange Nuts Kit
ftb score rating icon 9.8
300 Pcs Othmro Serrated Flange Hex Nuts Kit Cover #TOP 2
300 Pcs Othmro Serrated Flange Hex Nuts Kit
ftb score rating icon 9.7
YEEZET 240PCS Stainless Steel Flanged Bolt Kit Cover #TOP 3
YEEZET 240PCS Stainless Steel Flanged Bolt Kit
ftb score rating icon 9.5

Top 5 Metric Flange Nuts

Swpeet 165Pcs Stainless Steel Flange Nuts Kit

S573
silver
Assortment Kit
Swpeet 165Pcs Stainless Steel Flange Nuts Kit Cover
Swpeet 165Pcs 304 Stainless Steel Serrated Metric Flange Nuts Hex Lock Nuts Assortment Kit, 7 Sizes - M3 M4 M5 M6 M8 M10 M12 B07H9ZMJYZ B07H9ZMJYZ B07JHW8WZJ

The Swpeet Flange Nuts Kit includes 165 pieces of 304 stainless steel flange nuts in seven sizes: M3, M4, M5, M6, M8, M10, and M12. This assortment comes in a sturdy plastic organiser box, making it easy for you to store and transport. The corrosion-resistant finish ensures that these nuts will last a lifetime, making them ideal for both home and automotive use. With various types designed for easy weld penetration, they are perfect for industrial machines as well.

What We Like
Durable stainless steel material
Convenient storage box included
Corrosion resistant finish
Wide range of sizes
Suitable for multiple applications

300 Pcs Othmro Serrated Flange Hex Nuts Kit

M3 M4 M5 M6 M8 flange nuts
Silver
300 Pcs Othmro Serrated Flange Hex Nuts Kit Cover
300 Pcs Stainless Steel Serrated Flange Hex Nuts - M3 M4 M5 M6 M8 Lock Nuts, Metric Fully Threaded Replacement Hexagon

The Othmro Serrated Hex Nuts kit includes 300 pieces of assorted nuts in five different sizes, making it ideal for various applications. Each nut is made from high-quality 304 stainless steel, providing strength and durability, especially for outdoor use. The clear plastic packaging keeps the nuts organised and easily accessible, preventing damage during storage. With precise threading and a design that distributes fastening force evenly, these nuts ensure a secure connection, even on uneven surfaces.

What We Like
Durable stainless steel construction
Convenient organised packaging
Wide range of sizes
Secure connection on uneven surfaces
Good for outdoor use
#TOP 3

YEEZET 240PCS Stainless Steel Flanged Bolt Kit

YEEZET
Acier inoxydable 304
YEEZET 240PCS Stainless Steel Flanged Bolt Kit Cover
YEEZET 240PCS M5 M6 M8 Flanged Bolts and Nuts Kit,Stainless Steel 304 Metric Flanged Hex Screws Nuts Includes 14 Most Common Sizes

The YEEZET Flanged Bolt Kit is constructed from high-quality 304 stainless steel, ensuring resistance to rust, moisture, and corrosion. This durability means you can trust these screws for various applications without worrying about degradation. With 14 commonly used sizes available, you’ll find the perfect fit for your projects, whether they are DIY or professional. Additionally, the plastic packaging doubles as a storage box, keeping your screws and nuts organised and easy to access, making your work more efficient.

What We Like
High-quality stainless steel material
Variety of common sizes
Durable plastic storage box
Versatile for many applications
#TOP 4

Swpeet 105Pcs Stainless Steel Flange Nuts Kit

Fnut
Assortment Kit
Swpeet 105Pcs Stainless Steel Flange Nuts Kit Cover
Swpeet 105Pcs 304 Stainless Steel Serrated Metric Flange Nuts Hex Lock Nuts Assortment Kit, 7 Sizes - M3 M4 M5 M6 M8 M10 M12

The Swpeet Flange Nuts Kit includes 105 pieces of 304 stainless steel flange nuts in seven different sizes, ranging from M3 to M12. The sturdy plastic organiser box makes it easy for you to store and transport the nuts, ensuring you always have the right size on hand. These flange nuts are designed to facilitate easy weld penetration, making them ideal for various industrial applications. With a wide selection of commonly used sizes, this kit is perfect for both DIY enthusiasts and professionals who need reliable components for their projects.

What We Like
Includes 105 pieces
Seven different sizes
Sturdy storage box
Facilitates easy weld penetration
Suitable for industrial use

Metric Fine M10 Zinc Hexagon Tri Lock Nuts

Metric Fine M10 Zinc Hexagon Tri Lock Nuts Cover
Metric Fine M10 x 1.25 Zinc Hexagon All Metal Manifold Flange Tri Lock Nuts 10.9 (10)

The NUTS 'N' BOLTS Tri Lock Nuts are designed for robust performance with their all-metal construction, ensuring durability in demanding applications. The M10 x 1.25 metric fine thread provides a precise fit, helping you secure components tightly and effectively. The yellow zinc plating not only adds a layer of corrosion resistance but also enhances the aesthetic appeal of your projects. With a grade of 10.9, these nuts offer high tensile strength, making them ideal for heavy-duty usage. You can trust these nuts to deliver reliable performance in various settings.

What We Like
Durable all-metal construction
Precise metric fine thread
Corrosion-resistant yellow zinc plating
High tensile strength grade 10.9
Buying Guide Image
Editor's Notes

During our metric flange nut research, we found 271 metric flange nut products and shortlisted 5 quality products. We collected and analyzed 4,413 customer reviews through our big data system to write the metric flange nuts list. We found that most customers choose metric flange nuts with an average price of £9.16.

The metric flange nuts are available for purchase. We have researched hundreds of brands and picked the top brands of metric flange nuts, including Swpeet, Othmro, YEEZET, NUTS 'N' BOLTS.

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.