Best Carbon Steel Lock Nuts of 2025

The sourcing map Lock Nuts are made from durable carbon steel, ensuring a reliable fastening solution for your projects. With an M3 thread diameter and a pitch of 0.5mm, these nuts fit various applications effortlessly. Their zinc-plated finish provides excellent rust and corrosion resistance, extending their lifespan. Additionally, the nylon insert significantly minimises loosening caused by vibrations, offering you peace of mind for long-term use. These features make them ideal for repairing furniture, household appliances, and much more.

The sourcing map Lock Nuts are designed for various applications, featuring an M4 thread size and a durable carbon steel construction. With a galvanised surface, these nuts resist rust and corrosion, ensuring longevity. The nylon insert provides a secure fit, preventing loosening due to vibrations, which is particularly useful in high-stress environments. Easy to use, you simply align the threads and tighten them with a wrench, making your repair tasks quick and efficient.

The sourcing map Lock Nuts feature a 3/8"-24 thread size and come in a pack of 25, perfect for your everyday fastening needs. Made from durable carbon steel, these nuts resist rust and corrosion, ensuring longevity in various applications. The unique nylon insert provides added friction, preventing loosening from vibrations. Easy to use, simply align the threads and tighten with a wrench, making your repairs quick and efficient.

The sourcing map Hex Lock Nuts are designed for durability and strength. With a width of 4mm and a height of 3mm, these carbon steel nuts are zinc-plated, ensuring excellent rust and corrosion resistance. The nylon insert significantly reduces the chances of loosening due to vibrations, providing you with a reliable fastening effect over time. Ideal for a variety of applications, including repairs on furniture and appliances, these lock nuts prove to be a practical solution for your fastening needs.

The TA-VIGOR Lock Nuts are made from high-quality carbon steel and feature a nylon insert, ensuring they remain secure even in vibrating conditions. With a precise size of M2 x 0.4mm, these nuts are easy to fit onto various fixings. Their corrosion-resistant properties mean they can withstand the elements, making them ideal for outdoor projects. You can use them for a variety of applications, from DIY projects to motoring tasks, giving you peace of mind that your fixtures will hold strong.

The YOUYIDUN Hex Nuts set offers superb material quality, crafted from high-grade carbon steel. This ensures durability and resistance to corrosion, making them long-lasting. The deep thread structure prevents loosening, which is essential for keeping your screws securely in place. With a diverse range of sizes, this assortment caters to various applications, from household repairs to professional projects. Plus, the included storage box makes it convenient to keep everything organised and portable.

The sourcing map Lock Nuts feature a thread size of M8 and come in a pack of ten, ensuring you have enough for various projects. Made from carbon steel with a galvanised finish, these nuts resist rust and corrosion, providing durability for long-term use. The nylon insert enhances the grip, preventing loosening due to vibrations, which is particularly useful in dynamic environments. Easy to use, simply align and tighten with a wrench, making them suitable for both professional and DIY applications.

The SZSLMY Lock Nuts set is crafted from superb carbon steel, offering high strength and durability. This ensures that you can rely on them even in harsh conditions. The self-locking feature prevents bolts from loosening, providing a secure fastening for your projects. With a wide range of applications, these nuts are perfect for both professionals and DIY enthusiasts alike. Additionally, the transparent storage box keeps everything organised, making it easy for you to find the right size when needed.

These SULIVES M8 Nyloc Nuts are crafted from high-quality carbon steel, ensuring strength and durability for various applications. Their secure self-locking design features a nylon insert that prevents loosening from vibration and torque, providing you with peace of mind that your assemblies will stay intact. The versatile pack of 20 nuts caters to multiple projects, whether in automotive, machinery, or DIY tasks. Complying with the DIN 985 standard, these nuts guarantee consistent quality and a strong hold, making them an essential addition to your toolkit.

The WeqeYent Hex Lock Nuts set is made from durable nylon and carbon steel, ensuring strength and longevity. With a total of 150 pieces in seven sizes, you’ll find the right nut for various applications. The unique nylon insert design prevents loosening from vibrations, providing reliable fastening over time. This makes them ideal for a range of projects, from DIY tasks to industrial uses, enhancing your efficiency and peace of mind.