Advertising Disclosure

5 Best Flat Washers of 2026

Last Updated - 2026/05/09

1
Best Choice

✖
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.

Toolly

Toolly Large Penny Fender Washers, 225 Pieces 15 Sizes Alloy Steel Flat Washers Set Washers Hardware Assortment -M3 M4 M5 M6 M8 M10 M12

Toolly

CA$25.99

More Details
Main highlights
- 【Wide Application】 Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.
- 【Specs】 15 Sizes of the most commonly used large pennny fender washers: M3*15*0.8MM,M4*20*1.2MM,M4*25*1.5MM,M5*20*1.2MM M5*25*1.5MM,M6*20*1.5MM,M6*25*1.5MM,M6*30*1.5MM M8*20*1.5MM,M8*25**1.5MM,M8*30*1.5MM,M10*20*1.5MM ,M10*25*1.5MM,M10*30*1.5MM,M12*24*1.5MM.
- 【High Quality】 All the flat washers are made of 304 stainless steel, which offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance.
- 【Functions】 Flat washers are mainly used to reduce pressure and friction, prevent leakage, isolate, loosening or disperse pressure.
- 【Easy to Use】 They are very easy to install, the washer's surface are smooth can reduces friction between the fasteners, prevents leakage, isolates, prevents loosening or dispersion pressure.
CA$25.99
2

✖
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.

IEAWISL

1050Pcs Flat Washers Set, 304 Stainless Steel Flat Washers for Screws, Assorted Sizes (M2 M2.5 M3 M4 M5 M6 M8 M10 M12) for Industrial Use

IEAWISL

CA$13.87

More Details
Main highlights
- 【WIDE RANGE OF APPLICATIONS】This washers for bolts assortment set kit is suitable for both professional use and DIY projects, 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.
- 【TOP 304 STAINLESS STEEL】1050pcs Flat Washers are made of high-strength materials with have good corrosion resistance in bad environment like high temperature, cold weather, or high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.
- 【PROVIDE EXQUISITE STORAGE BOX】In order to solve the problem of breakage or size confusion after you receive the washers for bolts kit, we have reinforced and thickened the box with clear size labels attached to the front and back of the box, which can make it easy for you to quickly find the size you need for your work and improve your efficiency.
- 【PERFECT WASHERS SET】In IEAWISL washers for screws Assortment have 9 most popular sizes for daily life, which are - M2 M2.5 M3 M4 M5 M6 M8 M10 M12, making up 1050pcs. Our flat washers are the largest combination of size and quantity on the market, enough to help you handle a variety of fastening tasks.
- 【BEST AFTER-SALES SERVICE】- IEAWISL provide you with a 1-year warranty, a 30-day return guarantee and 7x24 hours after-sales service, any product problems can be quickly solved. If you have any dissatisfaction with our products, please contact us at any time and your needs will be meet.
CA$13.87
3

✖
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.

KANSPHY

1/4" Stainless Flat Washer, 5/8" Outside Diameter, 18-8(304) Stainless Steel Washers Flat (100 Pcs)

KANSPHY

CA$9.99

More Details
Main highlights
- These washers are used to distribute loads of threaded bolts, screws and nuts, provide a smooth-bearing surface
- These flat washers fit over 1/4 and M6 bolts. Perfect for indoor and outdoor use
- Package includes 100 Pcs flat washers
- Material: Made of 304 Stainless Steel for increased corrosion resistance
- Flat washer inside diameter: 0.275 Inch, Outside Diameter: 5/8 Inch.Thickness: 0.06 Inch. These 1/4” washers will fit 1/4 and M6 bolts
CA$9.99
4
Best Value
14% Off

✖
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.

Bates Choice
14% Off

Bates- Stainless Steel Fender Washers, #8x3/4, 100 pcs Stainless Steel Flat Washers

Bates Choice

CA$11.99

CA$13.99
(14% Off)

More Details
Main highlights
- These washers are perfect for automotive, marine, construction, and DIY applications, delivering reliable performance in a variety of settings.
- The fender design ensures even load distribution and prevents damage to materials, offering enhanced stability and support.
- Each washer measures #8 in inner diameter and 3/4" in outer diameter, providing a perfect fit for various fastening applications.
- Constructed from high-quality stainless steel, these washers are corrosion-resistant and highly durable for long-lasting performance.
- Bates fender washers come in a pack of 100 pieces, making them ideal for large-scale projects or repeated use.
CA$11.99
CA$13.99 (14% Off)
5

✖
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.

Hengzemei

Hengzemei 780pcs Flat Washers for Screws Bolts 304 Stainless Steel Washers Metal Assortment Set Hardware Gasket Kit M2 M2.5 M3 M4 M5 M6 M8 M10 M12 10 Sizes

Hengzemei

CA$12.99

More Details
Main highlights
- Wide Application For Various Projects: These versatile hardware washers are perfect for automotive, appliances, and DIY projects, making them an essential bolt washers set for any task
- Smooth Surface For Easy Installation: Our stainless steel washers and flat washers have smooth edges for quick use. They reduce friction and prevent leaks when installed on bolts and screws
- Premium 304 Stainless Steel Material: Crafted from high-quality 304 stainless steel, these metal washers offer excellent corrosion resistance and strength for long-term durability in all conditions, indoors or outdoors
- Organized Storage Box With Tweezers: Includes a storage box and tweezers to keep all your steel washers, arandelas de metal, and rondanas de metal neatly organized and easily accessible
- Complete 10-Size Assortment: This flat washers assortment kit includes 780 pieces in 10 sizes (M2-M12), providing the right small or large washers for any screws or bolts in your project
CA$12.99

5 Best Flat Washers of 2026

Toolly Large Penny Fender Washers, 225 Pieces 15 Sizes Alloy Steel Flat Washers Set Washers Hardware Assortment -M3 M4 M5 M6 M8 M10 M12

1050Pcs Flat Washers Set, 304 Stainless Steel Flat Washers for Screws, Assorted Sizes (M2 M2.5 M3 M4 M5 M6 M8 M10 M12) for Industrial Use

1/4" Stainless Flat Washer, 5/8" Outside Diameter, 18-8(304) Stainless Steel Washers Flat (100 Pcs)

Bates- Stainless Steel Fender Washers, #8x3/4, 100 pcs Stainless Steel Flat Washers

Hengzemei 780pcs Flat Washers for Screws Bolts 304 Stainless Steel Washers Metal Assortment Set Hardware Gasket Kit M2 M2.5 M3 M4 M5 M6 M8 M10 M12 10 Sizes

You may also like...

Hard-to-Find Fastener 014973321147 Grade 8 SAE Flat Washers, 1/2-Inch

Hard-to-Find Fastener 014973321093 Grade 8 SAE Flat Washers, 3/8-Inch, 50-Piece, Yellow

PATIKIL 304 Stainless Steel Flat Washer, 100 Pack M3 Thickness Metal Washers Small Washers for Screws Bolts Assortment (3x12x1 mm)

PATIKIL M3 Flat Washers 1/8" ID x 5/16" OD, 100 Pcs 304 Stainless Steel Metal Metric Washers Black Electroplated Flat Gasket Spacer for Screws and Bolts, Black

3/8" x 7/8" Stainless Flat Washer,18-8 (304) Stainless Steel Washers,0.4" ID x 0.866" OD x 0.078" Thick(50Pcs)

The Hillman Group 41585 SAE Flat Washer, 3/8-Inch, 50-Pack

M4 Washers 100pcs M4 X 12mm Flat Penny Washers 304 Stainless Steel Large OD Flat Repair Washer Plain Round Chrome Washers for Screws & Bolts (M4X12mm)

The Hillman Group 35010 SAE Flat Washers, 1/4-Inch, 100-Pack

M3 Stainless Flat Washers, 350Pcs Metric Metal 304 Stainless Steel Flat Washer for Bolts Screws, Assorted Hardware Kit for Factories, Home, Shops, Construction (M3x9x0.8mm)

Flat Washers, 100 Pcs Fender Washers, 1/4" Stainless Steel Fender Washers for Bolts, Screws (1/4" ID x 5/8" OD)

Sign up and get exclusive special deals