Best Brass Lock Nuts of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Brass lock nuts are a type of fastener that provide a secure and stable connection between two threaded components. These nuts are made from high-quality brass materials that offer excellent durability, corrosion resistance, and high-temperature tolerance. Brass lock nuts are commonly used in a variety of applications, including plumbing, automotive, and electrical industries. They are available in various sizes and thread pitches to fit different types of bolts and screws. Whether you are looking to stabilise a connection or simply want to ensure the safety of your equipment, brass lock nuts are an excellent choice for your fastening needs.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 3 Brass Lock Nuts
sourcing map G3/4 Brass Lock Nut for Plumbing
The sourcing map Brass Lock Nut is an essential plumbing accessory designed for efficiency. With a G3/4" threaded size and a hex width of 1.15", this durable brass construction ensures long-lasting use and resistance to corrosion. Its dual-purpose functionality allows you to utilise it as both a lock nut and a spacer, simplifying your installation tasks. The efficient hex design enables quick tightening and loosening, providing you with a secure connection that enhances the overall performance of your plumbing system.
sourcing map G1/4 Brass Lock Nut 4Pcs
The sourcing map Lock Nut features a G1/4" size with a hex width of 0.67" and a height of 0.14", making it ideal for various plumbing applications. Constructed from high-quality brass, it ensures durability and resistance to corrosion, giving you peace of mind regarding quality. Its dual-purpose design allows it to function as both a lock nut and a spacer, simplifying your installations. The efficient hex shape enables quick tightening and loosening with standard tools, making it easier for you to achieve a secure and long-lasting connection.
Sourcingmap 12 Pcs Brass Hex Nut Locknut
The Sourcingmap Brass Hex Nut is a reliable choice for anyone in need of durable pipe fittings. With an overall size of 13 x 2.5mm, these locknuts are easy to install, providing you with a hassle-free experience. Made from corrosion-resistant brass, they ensure long-lasting performance even in challenging environments. The hex locknut design effectively locks two threaded fittings into place, offering enhanced stability and reducing vibrations. This feature is particularly useful in maintaining the integrity of your plumbing installations.
Frequently Asked Questions (FAQs)
1. Can you reuse metal lock nuts?
They are able to be reused, but only if the prevailing torque meets certain specifications. Lock Nuts with a Nylon Insert are perhaps the most reliable lock nut, as it is only limited by the temperature of the application it has been used in.
2. What is UNC lock nut?
Lock Nuts - UNC Locknuts are used to lock a full nut in position to prevent it from working loose as a result of vibration or other factors. Locknuts are often mixed up with Nyloc nuts, which are different.
During our brass lock nut research, we found 77 brass lock nut products and shortlisted 3 quality products. We collected and analyzed 2,581 customer reviews through our big data system to write the brass lock nuts list. We found that most customers choose brass lock nuts with an average price of £20.00.
The brass lock nuts are available for purchase. We have researched hundreds of brands and picked the top brands of brass lock nuts, including sourcing map, Uxcell.
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.