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Best Flat Washers Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

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New
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
【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.

$6.98
New
110 Pcs 304 Stainless Steel Metal Flat Washers for Screws and Bolts, Fender Washers Assortment Kit (12 Sizes M3-M12) for Automotive, Industrial & Home Use
【Durable 304 Stainless Steel】–Crafted from 304 stainless steel, these washers offer strong corrosion resistance and high hardness for long-lasting performance. They are built to maintain reliability in demanding conditions like rain, humidity, and high temperatures.

$6.29
Best Value

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

$5.59 $8.99
New
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
Flat Washer Assortment Kit: Metric flat washer set includes 1,100 pieces in 9 sizes (M2, M2.5, M3, M4, M5, M6, M8, M10, M12), covering a wide range of fastening needs for both everyday and professional use.

$6.99
New
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
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

$20.99
New
The Hillman Group 41585 SAE Flat Washer, 3/8-Inch, 50-Pack
Corrosion Resistant Zinc Finish: These flat washers are zinc-coated for long-lasting rust and corrosion resistance, ideal for indoor and outdoor projects

$4.47
New
1/4" x 1" Stainless Fender Washer,18-8 (304) Stainless Steel Flat Washer,1/4" ID x 1" OD x 0.078" Thick(40Pcs)
Flat Washers Inside Diameter: 1/4" ,Outside Diameter: 1” , Thickness: 0.078". These 1/4 washers fit 1/4 bolts and M6 bolts

$5.89
40% Off

New
Kviceo Stainless Steel Flat Washers Assortment, 18-8 (304) Stainless Steel Metric Washers, 547-Piece Set (M3, M4, M5, M6, M8, M10, M12) with Plastic Storage Case
1️⃣ Stainless Steel Flat Washers for Screws – Metric M3–M12 This stainless steel flat washers for screws assortment includes commonly used metric sizes from M3 to M12, designed to distribute load, protect surfaces, and improve fastening stability in metric screw and bolt applications.

$5.99 $9.99
30% Off

New
Kviceo Stainless Steel Flat Washers Assortment, 18-8 (304) Stainless Steel Metric Washers, 547-Piece Set (M3, M4, M5, M6, M8, M10, M12) with Plastic Storage Case
1️⃣ Stainless Steel Flat Washers for Screws – Metric M3–M12 This stainless steel flat washers for screws assortment includes commonly used metric sizes from M3 to M12, designed to distribute load, protect surfaces, and improve fastening stability in metric screw and bolt applications.

$6.99 $9.99
New
120Pcs Flat Rubber Washers Assortment Kit,16/18/20/25/30mm Black Washer,Vibration Absorbing Pads Sealing Rubber Washers for Faucets Garden Bolts Screws Hose Plumbing Shower Head- 5 Sizes
Rubber Washers Kit:This value pack includes 120 black rubber washers in five essential sizes: 16mm x 5mm, 18mm x 8mm, 20mm x 10mm, 25mm x 7mm, and 30mm x 10mm. Each rubber gasket has a thickness of 2mm/0.08 inches Suitable for everyday repairs and replacements, these flat washers are suitable for plumbing, outdoor faucet washers, and bolts or screws, providing flexibility for all your needs.

$5.99

10 Flat Washers deals are available from: Amazon stores, starting from $4.47.
The biggest discount we found is 40% on Kviceo Stainless Steel Flat Washers Assortment, 18-8 (304) Stainless Steel Metric Washers, 547-Piece Set (M3, M4, M5, M6, M8, M10, M12) with Plastic Storage Case at Amazon.
The lowest price we found is $4.47 while the highest is $20.99.
Prices for the best Flat Washers deals average at $7.62.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Flat Washers.