Best Square Washers of 2026

The GBGS Square Washers 30 pcs set is designed with a 10.5mm hole that fits 3/8" bolts, making it easy for you to secure bolts tightly. Each washer measures 1-5/8" by 1-5/8" with a thickness of 1/8", providing a sturdy base to distribute weight and reduce wear on materials. Made from durable carbon steel Q345, these washers offer strength and long-lasting performance for your projects. Plus, the electrogalvanized surface protects against rust and corrosion, so you can rely on them in various environments like construction sites or machinery setups.

heneng Square Washer Plate is a pack of 10 square washer plates made of carbon steel. These plates are 2"x2" in size with a thickness of 5.4mm. The washer plates are made of Q235B material and are electrogalvanized for added durability. The hole diameter of these washer plates is Φ17.8mm (5/8 inches), making them suitable for use with 5/8" bolts. With their square shape and sturdy construction, these washer plates provide excellent support and reinforcement for various applications. Whether you are working on a construction project or repairing furniture, these washer plates will ensure a secure and reliable connection. The pack of 10 plates offers great value for money and is a must-have for any DIY enthusiast or professional.

The heneng Square Washer Plates are crafted from low carbon steel, providing you with durable and reliable support for your bolting needs. Their plain finish offers a simple, no-fuss look that blends well with various projects. Each washer plate measures 2 inches by 2 inches, giving you a sturdy base to distribute pressure evenly and protect your materials. The 7/32-inch thickness ensures these plates are strong enough to handle heavy loads. Plus, the 5/8-inch hole is perfectly sized to fit standard 5/8-inch bolts, making installation straightforward and convenient for your repair or construction tasks.

The Rustark Square Washer Kit includes 100 pieces in 15 different sizes, ensuring you have the right washer for various repair tasks around your home or workshop. Made from durable 304 stainless steel, these washers resist rust and corrosion, giving you long-lasting strength whether used indoors or outdoors. Their smooth, burr-free surface provides a larger contact area, which helps keep fasteners stable and secure. Plus, the square shape prevents twisting and makes installation easier. The washers come neatly organized in a clear storage box, so you can quickly find the size you need without hassle.

The Mardatt Square Washer Set offers you 100 pieces of durable 304 stainless steel square washers in 15 different sizes, all neatly organized in a portable case. This variety ensures you have the right washer for any home or professional project, making your work more efficient. Made from rust and corrosion-resistant stainless steel, these washers are built to withstand tough conditions, including exposure to acids and salts, so your equipment stays secure for a long time. Their flat square design prevents rotation and adds extra grip when fastening bolts or screws, saving you time and effort during installation. This set is a reliable choice for many fastening needs.

The heneng Square Plate Washers come in a set of 50, made from durable low carbon steel that ensures strength and longevity for your projects. Their electro-galvanized coating helps protect against rust and corrosion, so you can use them in various environments without worrying about wear. Each washer measures 1-5/8 inches square and is 0.1 inches thick, providing a sturdy and reliable base for fastening. The hole is designed to fit a 1/2-inch bolt, making these washers versatile and easy to match with common hardware. These features make the heneng Square Plate Washers a practical choice for securing strut channels and other structural applications.

The LeaGerous Square Washer is a high cost-effective hardware made of carbon steel with a galvanized coating, providing good corrosion resistance. It features a thickened 0.18 inch thickness that prevents deformation during installation and prolongs its service life. The washer enlarges the contact surface between the nut and the connected piece, protecting the surface from damage. Additionally, it offers cushioning and shock absorption, reducing the impact of equipment vibration on the nut and preventing loosening. With its versatile applications in construction sites, machinery, and industrial equipment, the LeaGerous Square Washer is a reliable choice for various projects.

The heneng Square Plate Washers are made from low carbon steel, giving you a sturdy and reliable material that can handle everyday fastening tasks. Their electro-galvanized coating helps prevent rust and corrosion, so you can trust them to last longer even in damp or outdoor environments. Each washer measures 2 inches by 2 inches, providing a broad surface area to distribute pressure evenly and protect the material you're working with. The 1/2-inch hole fits standard bolts, making these washers versatile and easy to use for many projects around your home or workshop.

The heneng Square Plate Washers are designed to fit bolts with a 5/8-inch diameter, making them compatible with common bolt sizes you might use in your projects. Each washer measures 3 inches by 3 inches, giving you a broad surface area to distribute pressure evenly and protect your materials. With a thickness of 1/4 inch, these washers offer sturdy support and durability for heavy-duty applications. Made from low carbon steel and finished with an electro-galvanized coating, they resist rust and corrosion, so you can count on them to last even in challenging conditions.

The GBGS Square Washer is designed with a size of 2 inches by 2 inches and a thickness of 3mm, making it ideal for various applications. Its hole diameter of 10mm accommodates 3/8" bolts, offering you versatility in your projects. Made from low carbon steel, it provides strength and durability while maintaining a plain finish that is easy to integrate into any setting. Whether you're working on light steel frame housing or machinery, these washers ensure secure fastening, giving you peace of mind in your construction and industrial tasks.