Best Nylon Flange Nuts of 2025

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Nylon flange nuts are a type of fastener commonly used in various industries, including automotive, construction, and manufacturing. These nuts are made of durable nylon material and have a flange on the base, which helps to distribute the load evenly and prevent damage to the surface. Nylon flange nuts are highly resistant to vibration and corrosion, making them ideal for use in harsh environments. They are also easy to install and remove, making them a popular choice for applications that require frequent maintenance. Overall, nylon flange nuts are a reliable and cost-effective solution for securing bolts and screws in a wide range of applications.
At a Glance: Our Top Picks
Top 8 Nylon Flange Nuts
M8 A2 Stainless Steel Flanged Lock Nuts
The M8 Flanged Lock Nuts are a high-quality set of ten nuts made from durable A2 stainless steel. These nuts offer excellent corrosion resistance, making them ideal for outdoor and humid environments. You can easily tighten them using a spanner or socket wrench, providing convenience during your projects. They are compatible with bolts, screws, and washers, giving you versatility in your fastening needs. Whether you are a DIY enthusiast or a professional, these nuts will help ensure secure connections.
4mm A2 Stainless Steel Flanged Nyloc Nuts
The Bolt Base Flanged Nyloc Nuts offer excellent corrosion resistance due to their A2 stainless steel construction, making them ideal for various applications, especially in damp environments. With a 4mm metric thread and a 0.7mm pitch, these nuts provide a secure fit, ensuring your assemblies remain intact. The convenient 7mm spanner size means you can easily tighten or loosen them without hassle. Using these nuts not only enhances the reliability of your projects but also simplifies maintenance tasks.
5mm A2 Stainless Steel Flanged Nyloc Nuts
The Bolt Base Serrated Nyloc Nuts are crafted from corrosion-resistant A2 stainless steel, ensuring durability and longevity in various applications. With a 5mm metric thread and a 0.8mm pitch, these nuts provide a secure fit, making them ideal for both professionals and DIY enthusiasts. The 8mm spanner size enables easy installation and removal, saving you time and effort. This combination of features makes these nuts a reliable choice for anyone looking to secure their projects effectively.
8mm A2 Stainless Steel Flanged Nyloc Nuts
The Bolt Base Flanged Nyloc Nuts offer exceptional durability with their corrosion-resistant A2 stainless steel construction, making them ideal for various applications. With an 8mm metric thread and a 1.25mm pitch, these nuts ensure a secure fit that enhances the stability of your projects. The 13mm spanner size allows for easy installation, providing you convenience when working on your tasks. These features make this product a reliable choice for anyone needing robust fastening solutions.
10mm A2 Stainless Steel Flanged Nyloc Nuts
The Bolt Base Flanged Nyloc Nuts are crafted from corrosion-resistant A2 stainless steel, ensuring durability and longevity in various applications. With a 10mm metric thread and a 1.50mm pitch, these nuts provide a secure fit that enhances stability, making them perfect for machinery and structural uses. The 15mm spanner size means you can easily tighten or loosen them without hassle, saving you time and effort. Overall, these features make the Bolt Base Flanged Nyloc Nuts a reliable choice for your fastening needs.
6mm A2 Stainless Steel Serrated Flanged Nuts
The Bolt Base Flanged Nuts are crafted from corrosion-resistant A2 stainless steel, ensuring durability even in challenging environments. With a 6mm metric thread and a 1.0mm pitch, these nuts provide a secure fit, making them ideal for various applications. The 10mm spanner size makes them easy to handle, allowing for convenient installation and removal. Overall, these features enhance the reliability and usability of the nuts, giving you confidence in your projects.
M8 Flange Nuts with Nylon Insert Pack of 10
The FixitFlo M8 Flange Nuts are designed with a self-locking nylon insert, ensuring a secure fit that prevents loosening even under vibrations. With an outer diameter of 17mm and a height of 11mm, these nuts are perfect for various applications. The nylon insert also protects surfaces and structures, enhancing durability. Additionally, the zinc finish provides resistance against corrosion, allowing you to use them in a range of environments without worry.
304 Stainless Steel Nylon Flange Nuts Kit
The Fasttend Flange Nuts kit is made from 304 stainless steel with a nylon insert, offering excellent chemical resistance and durability for long-term use. It includes a variety of sizes—M4, M5, M6, M8, and M10—ensuring you have the right nut for various applications. The transparent plastic box with compartments keeps everything organised, making it convenient for you to carry and store. The flange design acts as an integrated washer, distributing pressure evenly and reducing the risk of damage to your components.
Frequently Asked Questions (FAQs)
1. What is a flange nut used for?
Flange nuts are commonly used to speed up assembly operations or in areas where their larger bearing surface can cover oversized holes or slots The additional bearing surface also serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage or to loosen.
2. Are flange nuts stronger?
Flange lock nuts provide more space for serration. Serration is the process of putting irregular surface to increase the resistance force between the surfaces. As there is more mating space, it provides more tightening strength.
3. Are flange nuts reusable?
Flange lock nuts are reusable but only for a limited number of times because the prevailing torque declines each time the nut is used. Always follow the manufacturer's recommendations regarding nut reuse, thread lubricants and torque values.
During our nylon flange nut research, we found 161 nylon flange nut products and shortlisted 8 quality products. We collected and analyzed 1,635 customer reviews through our big data system to write the nylon flange nuts list. We found that most customers choose nylon flange nuts with an average price of £6.71.
The nylon flange nuts are available for purchase. We have researched hundreds of brands and picked the top brands of nylon flange nuts, including Universal Hardware, Bolt Base, FixitFlo, Fasttend. The seller of top 1 product has received honest feedback from 290 consumers with an average rating of 4.8.

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.