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The 8 Best square washers of 2024

Are you trying to find square washers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling square washers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 20 hours of research and did 37 square washers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best square washers you can buy today

No. 1
50 Pcs Heavy Duty Galvanized Squares Washer Plate Fastener Hardware 1/2(ID) X 2 X 2 (Square OD) X 3/16 (THK) inch
  • 【High cost-effective】The square washer is made of carbon steel and is protected by a galvanized coating, which is high cost effective and good corrosion resistance
  • 【Strong protection】 The gasket enlarges the contact surface between the nut and the connected piece and disperse pressure of nuts, which protects the surface of the connecting piece from damage
  • 【Cushioning, shock absorption and anti-loosening】Reduce the impact of equipment vibration on the nut, play a good buffering effect to prevent the nut from loosening
  • 【Thickness thickening】0.18 Inch thickness, it is hard and thick enough, which not easy to deform during installation and prolong service life
  • 【Widely use】Square washers can be used in construction sites, machinery and industrial equipment and other related scenes, their applications can be seen in many areas
No. 2
uxcell Square Washer, 20pcs M5x20x20x1.5mm 304 Stainless Steel Square Plate Washers Flat Pad Spacer Gasket for Hardware Fastener
  • Product Name: Square Washer; Fit Screw/Bolt Thread Diameter: M5(#10); Inside Diameter: 5.5mm / 0.22"; Outside Size: 20 x 20 x 1.5mm / 0.79" x 0.79" x 0.06"(L*W*T); Package Content: 20pcs x Square Washers
  • Material: Square plate washers are made of 304 stainless steel, rust and corrosion-resistant, with good heat and low temperature strength, suitable for indoor and outdoor use.
  • Advantages: Square washers provide more contact area for fasteners, it is a good choice for applications requiring higher carrying capacity, provide greater stability and prevent loosening.
  • Application: Square washers fit into slots and channels and have flat sides to keep them from rotating, commonly used in mechanical equipment and wood construction, where they create more friction when tightening the wood and are used to fix bolts, screws and other fasteners. Such as use with carriage bolts to secure roof trusses. Widely used in construction, plumbing, electrical, automotive and other industries, etc.
  • Note: When purchasing a square washer, you need to determine the correct size, thickness, and material for your intended application. These factors can greatly affect the performance and durability of the washer.
No. 3
Squares Washer Galvanized Heavy Duty Plate Fastener Square Plate Washers, 1/2 X 2 X 2 X 3/16 inch, 50 Packs
  • 4.7mm/0.18inch thickness, thick enough so that the quares Washer will not be deformed, durable and has a long service life.
  • Square washer is made of high-quality materials, high hardness, anti-corrosion and anti-rust, smooth surface without burrs.
  • Mostly used in mechanical equipment, it is very good to protect the nut and prevent the nut from loosening.
  • Widely used in machinery and industrial equipment, square plate washers can protect the nut well, is an ideal buffer hardware.
  • Reliable service: As we are so strict with our quality, we have confidence. So we would refund 2 times price if you receive defective product.
No. 4
Hard-to-Find Fastener 014973151881 Square Washers, 1/2 x 2x2 x 3/16, Piece-25
  • Diameter 1: 1/2 inch
  • Diameter 2: 2 inches
  • Length: 2 inches
  • Thickness: 3/16 inches
  • Material: Steel
No. 5
20 Pack 1-5/8" Square Washer Plate Fit 1/2” Bolt for 1-5/8” Strut Channel, Electrogalvanized Carbon Steel Heavy Duty Flat Bearing Plate, 5.6mm Thickness
  • Application for 1-5/8”Strut Channel, fit 1/2” Bolt.
  • Size: 1-5/8”x 1-5/8”(41 x 41 mm), Thickness: 5.6 mm.
  • Prepunched hole size: 14 mm.
  • carbon steel Q235B, electrogalvanized Surface treatment.
  • Packing list: 20 x Square Washer Plate
No. 6
20 Pcs 3/8"-16 Square Channel Washer with Tapped Hole, Flat Plate Fitting for 1-5/8" Strut Channels, 5.6mm Thickness Electrogalvanized, Size: 1-1/2"x1-3/8"
  • Strut flat plate fitting for 1-5/8" wide strut channel. Mounting hole diameter is 3/8".
  • Material: carbon steel Q235B, Surface treatment: electrogalvanized
  • Size: 1-3/8 x 1-1/2 inch (35x38mm), Thickness: 5.7mm,Hole diameter: 3/8"-16
  • Package list: 20x Square Channel Washer
  • The Square Washer with threaded hole is used with 1-5/8" Metal Framing Channel. Very robust and durable, Perfect for indoor and outdoor use
No. 7
Newhouse Electric 3/8-in Square Washer for Strut Channel, 5-Pack (No Magnets), 3/8-inch
  • Use to support strut channel
  • Electro-galvanized finish for superior corrosion resistance
No. 8
6 Pcs Square Washers Plate, ⅝'(ID) x3'x3' Heavy Duty Square Bearing Plates, Fastener Square Strut Channel Washer Plate, Thickness 2.8mm, Q235 Iron
2 Consomer Reviews
6 Pcs Square Washers Plate, ⅝"(ID) x3"x3" Heavy Duty Square Bearing Plates, Fastener Square Strut Channel Washer Plate, Thickness 2.8mm, Q235 Iron
  • Exquisite Material: Our square washers are made of high-quality Q235 iron material, with smooth edges and surfaces without burrs, wear-resistant, corrosion-resistant, high hardness, not easy to break or deform, and durable.
  • Main Function: Construction square plate washers can be used with all fasteners for greater load distribution. Square washers can protect the nut well and prevent the nut from loosening. It is an ideal buffer hardware.
  • Multi-scenario Application: Used in the application in mechanical equipment and industrial equipment, light steel frame housing accessories, construction sites, timber building, concrete floor applications and other related fields.
  • Dimensional Information: Dimensions: 75x75mm/3x3 inch, Thickness: 2.8mm, hole diameter 16.8mm/⅝", for greater load distribution and bolting through walls or timber.
  • Satisfactory Customer Service: We are committed to providing you with a satisfactory shopping experience. If you encounter any problems or have any suggestions, please contact us in time, and we will provide you with a satisfactory solution.
No. 9
30 Pcs Square Washers Plate 3/8"(ID) x1-5/8"x1-5/8", Electrogalvanized Steel Thickness 2.8mm Bearing Plate Square Strut Channel Washer
  • Material: Carbon steel Q345 , surface electrogalvanized.
  • Length: 1-5/8"(40 mm), Width: 1-5/8"(40 mm) ,Thickness: 2.8mm.
  • Hole Diameter : Φ10.5mm for 3/8 bolt.
  • Square Washers Plate used in light steel frame housing fittings, construction sites, machinery and industrial equipment and other related scenes, and their applications in many areas.
  • Package List: 30 Pcs square washers plate,bolt not include.
No. 10
Yaocom 20 Pcs 5/8" x 3" x 3" x 1/8" Square Washers Heavy Duty Galvanized Steel Gasket Flat Washers Nut Fastener Hardware Flat Pad Spacer
  • Adequate Quantity: the package comes with a set of 20 square washers, which means you'll have enough quantity at your disposal for different tasks and replacements; The quantity is sufficient for both household usage or for professional needs, making sure you don't easily run out in the middle of your project
  • Ideal Size and Design: these washer fasteners have been made carefully; Featuring an inner diameter of approximately 5/8 inches/16 mm and total size of 3 x 3 x 1/8 inches/76.2 x 76.2 x 3 mm, these washers are engineered for meeting your requirements and ensuring their easy fit in various fixing, fastening, and installing tasks
  • Robust and Long Lasting Material: crafted with metal, our galvanized washers are designed to serve you reliably for a long time; The galvanized surface enhances the durability of these washers and promotes resistance against corrosion; Providing you the confidence to utilize them in a versatile range of applications without worrying about its long term functionality
  • Versatility of Applications: thanks to their quality construction and appropriate size, these metal washers offer wide applications; They can be effectively applied in various projects, such as home renovations, machinery, automotive, and more; Their robust material and design make them suitable for most fixing and fastening tasks
  • Striking Silver Appearance: besides the robust functional feature, the flat washer also boasts a vibrant silver color, blending seamlessly with your setup and hardware; The silver color not only offers an aesthetic appeal to these washers but also indicates their weather resistant attributes and longevity, making them an ideal choice
No. 11
(40) Plain Steel 5/8 x 2 Square Plate Washers 3/16 Thick Unplated
  • Bolt Size: 5/8
  • Washer Size: 2 x 2 x 3/16
  • Finish: Plain
No. 12
Coufce 10pcs M3 Square Bearing Plate Washer, 304 Stainless Steel Flat Pad Spacer Gasket Hardware Fastener, Heavy Duty Square Washers Plate, 0.14"(ID) x0.79"x0.79"x0.04"
  • ✔Ample Package: Each package includes 10pcs of square washers, providing you with a generous amount for your needs. No more frequent reordering, ensuring completion of your projects.
  • ✔High-Quality Material: These square washers are made of rust-resistant and corrosion-resistant 304 stainless steel or carbon steel Q345. They possess excellent heat and low temperature strength, making them suitable for both indoor and outdoor use.
  • ✔Increased Contact Area: Square washers provide a larger contact area for fasteners, offering higher carrying capacity and greater stability. They effectively prevent loosening and are ideal for applications that require added strength.
  • ✔Versatile Application: These square washers find common usage in mechanical equipment, wood construction, and various industries such as construction, plumbing, electrical, and automotive. They can be used with bolts, screws, and other fasteners to secure and stabilize structures.
  • ✔Multiple Sizes and Options: The square washers are available in various sizes, thicknesses, and materials, allowing you to choose the most suitable option for your specific application. Optimal performance and durability are achieved by selecting the right size and material.
SaleNo. 13
20 Pcs Square Washers Plate 5/8"(ID) x1-5/8"x1-5/8", Hot Galvanized Steel Thickness 2.8mm Bearing Plate Square Washer for Cold Formed Steel Light Gauge Steel Framing
  • 20 Pcs Square Washers Plate, Material: Carbon steel Q345 , surface hot-dip galvanized (good impact resistance, wear resistance, corrosion resistance).
  • Length: 1⅝ inches (40 mm), Width: 1⅝ inches (40 mm) ,Thickness: 2.8mm
  • Hole Diameter : Φ16.8mm for 5/8 bolt.
  • Square Washers Plate used in light steel frame housing fittings, construction sites, machinery and industrial equipment and other related scenes, and their applications in many areas
No. 14
Square Washers Plate-Suprwin Heavy Duty Galvanized Steel Gasket Square Nut Fastener Hardware Flat Pad Spacer (5/8"×3"×3"×1/8")
  • 【Package】Inside Diameter: 5/8" | Outside Diameter: 3"*3" | Thickness:1/8" | Quantity: 10pcs | Material: Carbon Steel Q345 .
  • 【Widely Application】 Our hardware is very strong and is great for both indoor and outdoor use.
  • 【Premium Material】Made of corrosion resistant metals, has good corrosion resistance, heat resistance, low temperature strength, making it last longer than other hardware on the market today.
  • 【MULTIPLE Purpose】Square plate washers are often used in timber construction since they develop more friction when tightened against wood. They are also suitable for a variety of applications where a heavy washer is required. It can be used on multiple platforms and facets. Designed to be used in conjunction with carriage bolts for the securing of roof trusses but can also be used in a variety of ways on many different projects.
  • 【LIFETIME WARRANTY】 - 100% Satisfaction Guarantee: If you have any problems we will replace them free of charge or issue a full refund! We are so confident that our product is the best on the market that we offer a NO HASSLE LIFETIME GUARANTEE.
SaleNo. 15
8 PCS 2-3/8" x 2-3/8" Heavy Duty Square Washer Plate, Carbon Steel Strut Channel Washers, Fit for 1/2" Bolt, 4.8mm Thickness
  • Material: carbon steel Q235B, Finish: Plain
  • Size: 60x60mm (2⅜"x2⅜"), Thickness: 4.8mm
  • Hole size: Φ15mm (Fit for 1/2" Bolt)
  • Weight:127g(1 pcs), 1040g(8 pcs)
No. 16
uxcell Square Washer, 5pcs M8x30x30x2mm 304 Stainless Steel Square Plate Washers Flat Pad Spacer Gasket for Hardware Fastener
  • Product Name: Square Washer; Fit Screw/Bolt Thread Diameter: M8(5/16); Inside Diameter: 8.5mm / 0.33"; Outside Size: 30 x 30 x 2mm / 1.18" x 1.18" x 0.08"(L*W*T); Package Content: 5pcs x Square Washers
  • Material: Square plate washers are made of 304 stainless steel, rust and corrosion-resistant, with good heat and low temperature strength, suitable for indoor and outdoor use.
  • Advantages: Square washers provide more contact area for fasteners, it is a good choice for applications requiring higher carrying capacity, provide greater stability and prevent loosening.
  • Application: Square washers fit into slots and channels and have flat sides to keep them from rotating, commonly used in mechanical equipment and wood construction, where they create more friction when tightening the wood and are used to fix bolts, screws and other fasteners. Such as use with carriage bolts to secure roof trusses. Widely used in construction, plumbing, electrical, automotive and other industries, etc.
  • Note: When purchasing a square washer, you need to determine the correct size, thickness, and material for your intended application. These factors can greatly affect the performance and durability of the washer.
No. 17
10 Pack Square Plate Washers 5/8"(ID) x2"x2", Flat Bearing Plate Washers, Fit for 5/8" Bolt, Thickness 5.4mm Carbon Steel
  • Square Strut Channel Washer carbon steel Q235B material,electrogalvanized.
  • Thickness: 5.4mm, 2"x2" Squares Washer Plate Fastener Hardware.
  • Hole Diameter: Φ17.8mm (5/8 inches), Apply for 5/8" Bolt.
SaleNo. 18
20 Pcs Galvanized Square Washers Plate,5/8"(ID) x2"x2"x1/8",Thickness 2.8mm Plate Fastener Square Plate Washers
  • 20 Pcs Square Washers Plate, Material: carbon steel Q235B , surface hot-dip galvanized (good impact resistance, wear resistance, corrosion resistance).
  • Length: 2 inches (50 mm), Width: 2 inches (50 mm) ,Thickness: 2.8mm.
  • Hole Diameter :Φ18mm For 5/8" Bolt.
  • Square Washers Plate used in light steel frame housing fittings, construction sites, machinery and industrial equipment and other related scenes, and their applications in many areas.
No. 20
50 Pack 1-1/8" x 1-1/8" Galvanized Steel Square Washers Plate, Fit 3/8" Bolt Square Bearing Plate Washer Fastener Hardware, Thickness 3mm
  • 50 Pcs Square Washers Plate, Material: Carbon steel Q235B , Surface electrogalvanized
  • Length: 1-1/8" (30mm), Width: 1-1/8" (30mm), Thickness: 3mm
  • Prepunched hole size(1pcs): Φ12.7mm , Fit for or 3/8" or 7/16" Bolt
  • Square washers can be used in construction sites, machinery and industrial equipment and other related scenes, their applications can be seen in many areas.

How to choose a good square washers

Does the idea of finding a fantastic square washers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in square washers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top square washers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top square washers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top square washers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top square washers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the square washers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good square washers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your square washers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting square washers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our square washers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what square washers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on square washers.