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5 Best Flat Washers of 2025

Last Updated - 2025/10/25

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.

Hillman

The Hillman Group 270061 Flat Zinc Washer, 3/8-Inch, 100-Pack

Hillman

CA$25.01

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Main highlights
- Zinc plated
- These washers help to prevent bolts or nuts from pulling through a surface
- Flat washers are ideal for increasing the load bearing surface under a fastener's head by distributing the load through the washer
CA$25.01
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.

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$18.19

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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$18.19
3
Best Value
13% 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.

MEQUER
13% Off

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$12.99

CA$14.99
(13% Off)

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$12.99
CA$14.99 (13% 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.

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$13.28

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$13.28
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.

KANSPHY

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)

KANSPHY

CA$8.99

More Details
Main highlights
- These flat washers fit over 1/4 and M6 bolts. Perfect for indoor and outdoor use
- Please recognize "Sold by KANSPHY" is important. Otherwise you will not get the right item. Flat Washers Inside Diameter: 1/4" ,Outside Diameter: 1” , Thickness: 0.074"(14 ga). These 1/4 washers fit 1/4 bolts and M6 bolts
- Package includes 40Pcs Flat Washers. Color: Silver tone.
- Material: Made of 304 Stainless Steel for increased corrosion resistance.
- Flat washer are used to distribute loads of threaded bolts, screws and nuts, provide a smooth-bearing surface
CA$8.99

5 Best Flat Washers of 2025

The Hillman Group 270061 Flat Zinc Washer, 3/8-Inch, 100-Pack

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

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

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)

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Steel Flat Washer, Zinc Plated Finish, ASME B18.22.1, No. 8 Screw Size, 3/16" ID, 7/16" OD, 0.049" Thick (Pack of 100)

CAASFOOY 360 PCS Stainless Steel Flat Washers Assortment Kit,304 Stainless Steel Flat Washer Round Locking Gasket Kit 8 Sizes (M2 M2.5 M3 M4 M5 M6 M8 M10)

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