Best Tooth Lock Washers of 2026

The uxcell Stainless Steel Lock Washers come in a pack of 100, each with a 5mm inner diameter and a durable 0.6mm thickness. Made from 304 stainless steel, these washers resist rust and deformation, so you can trust them to last in various conditions. Their internal tooth design increases friction, helping your fasteners stay secure and preventing slipping during use. Installation is straightforward—just place the washer on the screw and tighten the nut. This makes assembly quick and easy, and the washers can be reused, saving you time and effort in your projects.

The uxcell Internal Tooth Washers come in a pack of 100, each measuring 1/4 inch inside diameter, making them ideal for various fastening needs. Made from durable stainless steel, these washers resist corrosion and wear, ensuring they last through tough conditions. Their internal teeth design creates extra grip by increasing friction between the fastener and the surface, preventing loosening during use. Installation is quick and easy—you can secure them onto shafts with simple pressure or a twist, saving you time and effort. These washers are a practical choice for anyone needing reliable fastening in mechanical and industrial settings.

The Hard-to-Find Fastener Tooth Washers are designed with a 5/16-inch inner diameter, making them suitable for bolts and screws of that size, ensuring a secure fit. The outer diameter of 11/16 inches provides a broad surface area for better grip and stability. With a thickness of 1/16 inch, these washers offer durability without adding bulk. Made from steel with a zinc coating, they resist rust and corrosion, giving you long-lasting performance. These features make the Hard-to-Find Fastener Tooth Washers a reliable choice for keeping your fasteners tight and secure.

Introducing the binifiMux Lock Washers Kit, a must-have for any DIY enthusiast or professional. This kit includes 260pcs of black starlock internal tooth lock washers in various sizes, ranging from M2 to M12. Made from high-quality 65Mn steel, these lock washers are built to last. The main color of the washers is black, giving them a sleek and professional look. The washers come neatly packaged in a storage box for easy organization. With this kit, you can easily secure nuts and bolts, ensuring a tight and secure fit. Whether you're working on a small project or a large-scale construction, the binifiMux Lock Washers Kit has got you covered.

The Hillman Internal Tooth Washer is designed to work best with large head screws like round, pan, binding, and washer-head types, making it versatile for various projects. Its internal teeth provide a reliable locking and tensioning effect, which helps keep your screws secure and prevents them from loosening over time. This washer is available in different screw sizes ranging from #4 up to 1/2 inch, giving you options for different fastening needs. With both internal and external tooth options available, you can easily find the right fit for your specific application, ensuring a strong and stable hold.

The Vifmy External Tooth Washers come in a handy kit of 500 pieces across eight sizes, giving you the right washer for various projects from furniture repairs to construction. Made from durable 304 stainless steel, these washers resist rust and corrosion, ensuring they last longer even in tough conditions. They help keep nuts and bolts from loosening by providing a secure grip through their tooth design, which is perfect if you want to maintain the stability of your machines or structures. Plus, the washers are neatly organized in a clear, portable case, so you can easily find and store each size without losing any pieces.

The Biaungdo Star Lock Washers come in a handy set of 50 pieces, featuring five different sizes to suit various projects. This variety ensures you’ll find the right washer for your daily needs, whether for small repairs or larger equipment fixes. Made from sturdy 65mn metal steel, these washers resist rust and corrosion, meaning they last longer and keep their shape, saving you the hassle of frequent replacements. They’re easy to install, making your work quicker and more efficient. Plus, these washers provide strong spring force and grip, making them perfect for securing items like cars, strollers, and grills with confidence.

The Vifmy Star Lock Washers kit offers 500 internal tooth star washers in 8 different sizes, giving you a versatile set for many projects, from furniture repairs to construction. Made from durable 304 stainless steel, these washers resist rust and corrosion, ensuring they last longer than galvanized alternatives. They help keep nuts and bolts firmly in place by preventing loosening caused by vibration or friction, which helps maintain the stability of your machines and structures. Plus, each size is neatly organized in a clear, portable case, making it easy for you to find the right washer and keep your workspace tidy.

The Hillman Internal Tooth Washer offers a secure grip thanks to its inner teeth design, which helps keep fasteners tight and prevents loosening. This feature is especially useful when you want a clean, polished look since the teeth are hidden beneath the surface. Its zinc plating adds a layer of protection against rust and corrosion, making it suitable for moderate outdoor or indoor use. Additionally, the washer's size is designed for versatile applications, fitting a variety of bolts and screws. If appearance and reliability matter in your projects, this washer is a convenient choice to maintain both.

The qxayxa Star Lock Washers are made from durable stainless steel, ensuring they resist rust, corrosion, and deformation. This means you can rely on them to hold up well in different environments. Their star-shaped design helps create strong friction between the bolt and nut, preventing loosening and providing secure fastening. The washers come neatly organized in a clear storage box with separate compartments, making it easy for you to find and carry them without any hassle. These washers are versatile and perfect for a variety of uses, from electrical appliances to automotive and machinery applications, giving you great flexibility in your projects.