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Best flat washers - June 2026

Last Updated - June 23, 2026

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ZQZ

ZQZ 290Pcs Flat Washers, 304 Stainless Steel Fender Washers Assortment, 15 Different Sizes Wide Washer M3 M4 M5 M6 M8 M10 M12 Assorted Flatwashers Kit

ZQZ

$22.99

More Details
Main highlights
- Wide Application: Flat washers are highly compatible with screws, nuts and bolts of the same size and can be used to connect moving parts or to prevent loose connections, such as in furniture repair, outdoor construction, and electrical maintenance
- Metric Flat Washer Function: flatwashers are mainly used for nuts, bolts and screws from rotating and loosening due to vibration and friction. Our flat washers with uniform thickness and smooth edges for reliable load distribution to ensure the stability of machines.
- Flat Washer Kit: The metric flat washers assortment kit contains 15 sizes 290 pcs, which are M3 (15x0.8mm), M4 (20x1.2mm), M4 (25x1.5mm), M5 (20x1.2mm), M5 (25x1.5mm), M6 (20x1.5mm), M6 (25x1.5mm), M6 (30x1.5mm), M8 (20x1.5mm), M8 (25x1.5mm), M8 (30x1.5mm), M10 (20x1.5mm), M10 (25x1.5mm), M10 (30x1.5mm), M12 (24x1.5mm). 15 different sizes of flat washers from furniture DIY to building construction, help you get the job done
- Convenient Storage: Each of the 15 different sizes of flat washers are individually stowed by type in an easy to carry clear case. Easy to store and use, so that the flat washers will not be lost or mixed up during use
- 304 Stainless Steel: 304 Stainless steel flat washers are made of high-strength materials with good corrosion resistance and long service life. they are very slightly attracted. Compared to galvanised materials, the oxidation resistance, corrosion resistance and rust resistance are stronger, thus increasing the service life of the product
$22.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MAKERS BOLT

1/2" (100 Pack) Grade 8 SAE Washer, Thru-Hardened, Yellow Zinc by Makers Bolt

MAKERS BOLT

$16.97

More Details
Main highlights
- Yellow zinc plated for moderate corrosion resistance
- Size: for 1/2" fasteners | Inside diameter: 0.531" | Outside diameter: 1.063" | Thickness: 0.074"-0.121"
- Grade 8 high strength thru-hardened steel
- ASME B18.21.1 Compliant
- 100 SAE flat washers per package
$16.97
3
Best Value
31% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kviceo
31% Off

Kviceo Stainless Steel Flat Washers Assortment, 18-8 (304) Stainless Steel, 547-Piece Set (Assorted Metric Sizes M3-M12, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm) with Plastic Storage Case

Kviceo

$6.94

$9.99
(31% Off)

More Details
Main highlights
- 5️⃣ Practical Washer Assortment for DIY and Professional Use Designed for routine fastening, maintenance, and replacement tasks in home workshops, automotive repair, and facility and equipment maintenance environments. Intended for general-purpose use with metric hardware; not designed for structural or load-bearing applications.
- 4️⃣ Labeled Storage Case for Efficient Organization Each washer size is stored in a clearly labeled compartment inside a durable plastic storage case, allowing quick identification, reduced sorting time, and improved efficiency during installation and repair tasks.
- 3️⃣ Covers the Most Frequently Used Metric Washer Sizes Includes commonly used sizes such as Metric 6, Metric 8, Metric 10, and Metric 12, compatible with standard metric bolts, screws, nuts, and spacers. A practical washer set for automotive repair, furniture assembly, home improvement, and equipment maintenance.
- 2️⃣ 18-8 (304) Stainless Steel – Reliable for Daily Use Manufactured from 18-8 (304) stainless steel, these flat washers provide corrosion resistance and durability for both indoor and outdoor environments, including garages, workshops, and general maintenance settings.
- 1️⃣Versatile Size Range for Various Projects This set includes a range of popular sizes (from M3 to M12 and 3mm to 12mm), making it ideal for a wide variety of applications, including machinery, plumbing, electrical, and construction projects. The comprehensive size range ensures compatibility with different bolts and screws.
$6.94
$9.99 (31% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

wegoup

WEGOUP 900 Pcs Stainless Steel Flat Washers for Screws, 304 Stainless Steel, Assorted Sizes (M2 M2.5 M3 M4 M5 M6 M8 M10 M12) for Industrial Use, Washers for Bolts

wegoup

$6.98

More Details
Main highlights
- 【Wide Range of Applications】- This fender washers assortment set kit is perfect for various applications, including interior decoration, outdoor construction, electrical maintenance, and furniture repair. The flat washers can be used to fix bolts with a smaller diameter than the hole of the washers. They are versatile and suitable for both professional use and DIY projects.
- 【Washers for Screws】- This assortment set includes 900 pieces of stainless steel flat washers for screws and bolts. It comes in 9 different sizes: M2 (210 pcs), M2.5 (210 pcs), M3 (200 pcs), M4 (110 pcs), M5 (80 pcs), M6 (42 pcs), M8 (28 pcs), M10 (10 pcs), and M12 (10 pcs). With a total of 900 pieces and 9 different sizes, this fender washers assortment set kit can meet all your different needs.
- 【Satisfaction Guaranteed】- Our team is committed to providing every customer with high-quality fender washers assortment set kit and satisfactory service. If you encounter any problems with our product, please don't hesitate to contact us. We will be more than happy to assist you and solve any issues you may have.
- 【High-Quality Stainless Steel】- Our flat washers are made of top-quality 304 stainless steel. This material has high hardness, excellent wear-resistance, corrosion resistance, and rust resistance. It can withstand challenging environments like high temperatures, cold weather, and high humidity areas. These washers are designed to ensure long-lasting durability and reliable performance.
- 【Easy Storage】- All the stainless steel flat washers are neatly packed in a sturdy transparent plastic case. The case features separate grids to distinguish the 9 different sizes. Each grid has a specification label, making it easy for you to find the washers you need. This clear and easy-to-use storage box ensures convenient organization and easy access to the washers whenever you need them.
$6.98
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aienxn

Aienxn 550PCS Flat Washers Assortment Kit, 12 SAE Sizes- 1/2, 7/16, 3/8, 5/16, 1/4, 3/16, 12#, 10#, 8#, 6#, 4#, 2#, (18-8) 304 Stainless Steel Washers for Screws, Metal Washers for Bolts

Aienxn

$14.99

More Details
Main highlights
- Wide Application: Flat washers are designed for electrical connections of household and commercial appliances, automobiles and ships with threaded/bolted connections
- Size: The flat washers have 128 sizes of 550 pcs, 2#, 4#, 6#, 8#, 10#, 12#, 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", the most commonly used stainless steel gasket is packed in a plastic box, and different sizes can meet your different needs
- Premium Quality: Aienxn flat washers are made of 304 Stainless Steel
- Features: Aienxn flat washers have excellent rust resistance, corrosion resistance and excellent oxidation resistance, and can also be used for a long time in extreme temperature environment
- Compatible: Aienxn flat washers are highly compatible with screws, nuts and bolts of the same size, and has a solid supporting surface to prevent the nut/bolt head from tearing the material
$14.99

Best flat washers - June 2026

ZQZ 290Pcs Flat Washers, 304 Stainless Steel Fender Washers Assortment, 15 Different Sizes Wide Washer M3 M4 M5 M6 M8 M10 M12 Assorted Flatwashers Kit

1/2" (100 Pack) Grade 8 SAE Washer, Thru-Hardened, Yellow Zinc by Makers Bolt

Kviceo Stainless Steel Flat Washers Assortment, 18-8 (304) Stainless Steel, 547-Piece Set (Assorted Metric Sizes M3-M12, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm) with Plastic Storage Case

WEGOUP 900 Pcs Stainless Steel Flat Washers for Screws, 304 Stainless Steel, Assorted Sizes (M2 M2.5 M3 M4 M5 M6 M8 M10 M12) for Industrial Use, Washers for Bolts

Aienxn 550PCS Flat Washers Assortment Kit, 12 SAE Sizes- 1/2, 7/16, 3/8, 5/16, 1/4, 3/16, 12#, 10#, 8#, 6#, 4#, 2#, (18-8) 304 Stainless Steel Washers for Screws, Metal Washers for Bolts

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