Advertising Disclosure

5 Best Flat Washers of 2025

Last Updated - 2025/06/07

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.

Bolt Dropper

1/2" Stainless Flat Washer, 1-1/4" Outside Diameter (100 Pack)- Choose Size, by Bolt Dropper, 18-8 (304) Stainless Steel

Bolt Dropper

CA$60.52

More Details
Main highlights
- 【Washers That You Can Depend On】Our hardware is very strong and is great for both indoor and outdoor use. The stainless steel is superior to regular steel and provides excellent rust resistance in water applications.
- 【Lifetime Guarantee】We are so confident that our product is the best on the market that we offer a No Hassle Lifetime Guarantee.
- 【High Quality Stainless】These 100 Piece Flat Washers are 100% 18-8 (304) Stainless Steel which is one of the highest forms of corrosion resistant steel, making it last longer than other hardware on the market today.
- 【Great To Keep Around】Bolt Dropper hardware is great to have around for use with sheet metal and wet environments. Bolt Dropper hardware is the highest quality available on the market and we stand by our claim 100%. They are strong, corrosion-resistant and will support all of your projects.
- 【Dimensions】 Inside Diameter: 1/2" | Outside Outside Diameter: 1-1/4" | 0.078" Thickness | Quantity: 100 pcs | Material: 18-8 (304) Stainless Steel
CA$60.52
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.

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$25.95

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$25.95
3
Best Value

✖
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.

MEQUER

Washers for Screws, 750PCS Stainless Steel Washers, Metal Flat Washers, 9 Sizes Washers Assortment Set for Bolts, M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Factories Repair Construction

MEQUER

CA$14.99

More Details
Main highlights
- WIDE APPLICATION: Suitable for electrical connections, various mechanical parts, household repairs, automotive and marine applications, generators, and factories. These washers cater to your diverse needs
- WHAT YOU WILL GET: You will receive a total of 684 pieces of washers in 9 different sizes: M2/M2.5/M3/M4/M5/M6/M8/M10/M12. These various sizes help that you have the right washer for any project
- SUPERIOR PERFORMANCE: These stainless steel washers provide a flat bearing surface, increasing the contact area and reducing friction. This not only prevents leaks but also isolates vibrations and prevents loosening, ultimately reducing stress on parts and bolts
- PREMIUM QUALITY: Our washers for screws are crafted from high-quality stainless steel material, ensuring a smooth and durable edge. They are specifically designed for long-term use, offering excellent corrosion resistance and rust-proof performance
- CONVENIENT STORAGE: The metal flat washers are neatly organized in a plastic box with separate compartments, allowing for easy storage, transportation, and quick identification and use of different sizes
CA$14.99
4

✖
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$15.39

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$15.39
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.

ISPINNER

ISPINNER 190pcs 304 Stainless Steel Flat Washers Assortment Kit, 8 Sizes 1/2" 3/8" 5/16" 1/4" 12# 10# 8# 6#

ISPINNER

CA$18.05

More Details
Main highlights
- 【WIDE APPLICATION】These washers are suitable for indoor decoration, outdoor construction, electrical maintenance and furniture maintenance. Widely used for electrical connection of household and commercial electrical appliances, automobiles and ships with threaded/bolt type connection for power supply.
- 【SIZE】Comes withe 8 different sizes, including 1/2"(10pcs), 3/8"(10pcs), 5/16"(15pcs), 1/4"(15pcs), 12#(30pcs), 10#(30pcs), 8#(35pcs), 6#(45pcs).
- 【REASONABLE DESIGN】Flat washers are designed for electrical connections for household and commercial appliances, automobiles and ships, where the power supply has a threaded/bolt type connection.
- 【PACKING】190pcs 8 Sizes packed in a plastic case. Clear plastic case makes it easy to find correct item quickly, saves your time of running around looking for a particular size washers.
- 【HIGH QUALITY】These Flat Washers are made of high quality 304 stainless steel, which has high strength, good wear-resistance and great corrosion-resistance. They also have excellent rust and oxidationresistance, ensuring long-term use even in harsh environments such as high temperature, cold and high humidity areas.
CA$18.05

5 Best Flat Washers of 2025

1/2" Stainless Flat Washer, 1-1/4" Outside Diameter (100 Pack)- Choose Size, by Bolt Dropper, 18-8 (304) Stainless Steel

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

Washers for Screws, 750PCS Stainless Steel Washers, Metal Flat Washers, 9 Sizes Washers Assortment Set for Bolts, M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Factories Repair Construction

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

ISPINNER 190pcs 304 Stainless Steel Flat Washers Assortment Kit, 8 Sizes 1/2" 3/8" 5/16" 1/4" 12# 10# 8# 6#

You may also like...

304 Stainless Steel Flat Washers Set 580 Pieces, 9 Sizes - M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Suitable for Home Decoration, Factories Repair, Kitchens, Shops and Outdoor Construction

Hillman 591521 Small Flat and Lock Washer Assortment, 270-Pack, Zinc

620Pcs Flat Washer M2 M2.5 M3 M4 M5 M6 M8 M10 M12 304 Stainless Steel Washers Hardware Assortment Kit

1100 Pcs Flat Washers Assortment Kit – 304 Stainless Steel, 9 Metric Sizes (M2–M12), Metal Washers for Screws and Bolts – Ideal for Automotive, Construction, Industrial, and DIY Use

VIGRUE 684Pcs 304 Stainless Steel Flat Washers Assortment Washers Hardware Set - 9Sizes M2 M2.5 M3 M4 M5 M6 M8 M10 M12

Washers Flat (10 Pcs)

1/4" x 1" Stainless Fender Washer,18-8 (304) Stainless Steel Flat Washer,1/4" ID x 1" OD x 0.074" Thick(40Pcs)

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

QUMENEY 100PCS Stainless Steel Flat Washer, Plain Finish Lock Screw Washer Set for Bolt Dropper (1/4" ID x 5/8" OD)

Sign up and get exclusive special deals