Best Plastic Flat Washers in 2026

GALVANIZED STAINLESS STEEL: These lock and flat washers provide excellent protection and security for nuts and bolts. They are made with galvanized stainless steel for long-term use and outstanding durability.

VERSATILE & COMPATIBLE: These assorted washers come in multiple sizes to fit all your screws, nuts, and bolts. Each washer features a solid bearing surface to prevent the nut or bolt head from tearing through the material.

OPTIMAL SURFACE AREA: Each stainless-steel flat or lock washer easily deflects the screw or bolt load, spreading the weight evenly for a secure and sure fit. These washers for screws and bolts are ideal for use at home or in the workshop.

【800 Pcs Washers for Screws】800 Pcs stainless steel flat washers for screws bolts, 9 different sizes M2（210 Pcs) M2.5（200 Pcs） M3（100 Pcs） M4（100 Pcs） M5（70 Pcs）M6（40 Pcs ） M8（50 Pcs ） M10（20 Pcs ） M12（10 Pcs ），Total：800 pcs / 9 different sizes fender washers assortment set kit can meet your different needs.

【Top 304 Stainless Steel】Our assorted hardware Lock metal washers, is made of top 304 stainless steel which has the advantages of high hardness, well wear-resistance, corrosion resistance and rust resistance. Which can ensure long time using even in bad environment like high temperature, cold weather, and high humidity areas.

【Widely Application】Fender washers assortment set kit, perfect for interior decoration, outdoor construction, electrical maintenance and furniture repair, The flat washers could be used for fixing bolts with smaller diameter than the hole of washers.

100 low profile 60mm Polypropylene washers proudly designed and manufactured by ourselves in the UK, colour black. For fixing and securing Expanded Polystyrene Sheets (EPS), Extruded Polystyrene (XPS) and all types of soft to medium foam boards such as Celotex, Marmox, Kingspan, Stylite and Ecotherm

Low profile only 4.2mm when fixed (5.2mm total depth), 60mm in diameter

Screw size: #12 or #10 (3/16" or 5mm diameter)

🔩【Multi-function】XOOL Flat Washer kit is great for odds and ends are when you just need a piece to finish a project. The high quality assortment washers are ideal for home, automotive, and shop use. And the Flat Washer used to spread the load of a screwed fastening. Additionally, the plain washer may be used when the hole is a larger diameter than the fixing nut.

🔩【High Quality】XOOL Flat Washers are made of high quality 304 stainless steel(Raw material). The 304 stainless steel material features strength and 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, which can ensure long time using.

🔩【Safe & Convenient】XOOL Plain Washers adopt high quality material, which is environmental protection , non- mercury and non-poisonous. In the process of using, there are no toxic substances releasing to ensure your safety. The nice Flat Washer assortment kit has plenty of the popular sizes, which will meet all of your home DIY need. And you don’t need to search for dropped washers, just use one new washer. The 380 pcs washers and 8 different sizes will meet your maximal requirement.

【Sizes】M2 M2.5 M3 M4 M5 M6 M8 M10 M12, total 900 pieces/9 sizes of the most commonly used black zinc washers, flat washers, metal washers in a plastic case, different size can satisfy your different needs.

【Design】Flat washers, metric washers, metal washers are designed for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.

【Material】Black zinc plated steel, which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.

♛ High Quality Stainless Steel Flat Washers and Spring Lock Washers Kit

♛ Set Includes 8 Most Used Sizes: M2 M2.5 M3 M4 M5 M6 M8 M10

♛ Made of 304 Stainless Steel Material, Very Good Corrosion Resistance, It Can Be Used in a Humid Environment.

Material: 100% copper, high conductivity, corrosion resistant copper washer assortment

150PCS 15 Popular Sizes Sealing Washers Kit, great for sump plugs, water, fuel, and hydraulic fittings

150 pcs solid copper sump plug washer set. All contained in a compact and see through compartmented plastic case, convenience to use.

♛ High Quality Brass Flat Washer Assortment Kit

♛ Made of Brass, providing the good resisitance to corrosion and high temperature

♛ Set Includes 10 Most-used Sizes (Metric): M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14. (Please see figure 2 for specific size)

【Sizes】M3 M4 M5 M6 M8 M10 M12, total 240 pieces/15 sizes of the most commonly used stainless steel washers in a plastic case, different size can satisfy your different needs.

【Design】Flat washers are designed for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.

【Material】304 Stainless Steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.

Plastic Washers for Insulation: These white plastic caps help distribute the load of a fastener and are used in manufacturing, construction, automobile, and other industries

Universal Compatibility: Our white plastic caps can be assembled with nail sizes #11 - #12 or with #6 - #8 screws

Versatile Usage: Insulation washer is great for installing the roofing felt, rigid board insulation, sheeting, house wrap, and radiant and vapor barriers

1. 304 Stainless Steel Spring Lock Washers Set，Good Corrosion Resistance, It Can Be Used in a Humid Environment.

2. 7 Most Used Sizes: M2.5 M3 M4 M5 M6 M8 M10, Flat & Lock

3. 260 Pieces，Packed in A Sturdy Transparent Plastic Case

★ Tip: These washers NOT compatible with 3/4" garden hose fittings sealing.

★ This product has 3/8-inch inner diameter, 3/4-inch outer diameter, 1/8 inch thickness.

★ Constructed of a strong and durable silicone, construction better sealing, meaning it was built for longevity.

Material: Nylon

It contains 500pieces/8 Sizes of the most commonly used Nylon washers

Size:M2 M2.5 M3 M4 M5 M6 M8 M10

Flat washer provides a bearing surface for fastener load distribution or acts as a spacer

Nylon 6/6 provides resistance to abrasion, corrosion, and many chemicals, is nonconductive, and is a strong yet lightweight plastic

Sufficient supplies: one package includes many plastic washers in transparent color, enough quantity to meet daily use and replacement

Reliable material: flat washer gasket is made of vinyl material, sturdy, not easy to break or age, wear-resistant, with strong sealing, and can be applied for a long time

Dimension: the outside diameter is 3/4 inch (19 mm), the inside diameter is 1/4 inch (6 mm), thickness is 1/16 inch, this clear washer is designed to work with 3/4 inch (19 mm) standoff cap assemblies

Diameter 1: 1/4" (#14)

Diameter 2: 1.25 inches

Thickness: .062 inch

♛ High Quality Nylon Flat Washers Assortment Kit

♛ Made of Nylon, Used for motherboard to prevent electrical short from metal to metal contact.

♛ Set Includes 10 Most-used Sizes (Metric): M2 M2.5 M3 M4 M5 M6 M8 M10 M12. (Please see figure 2 for specific size)

🥰【High quality and durable material】URLWALL Flat Washer Set is made of plastic nylon material, smooth without burr. Features: Insulation, heat insulation, wear-resisting corrosion resistance, long service life.

🥰【Full size】It contains 500 Pieces / M2, M2.5, M3, M4, M5, M6, M8, M10 flat wahers.8 different sizes of nylon flat spacer, can meeting your different needs.

🥰【Good protection】Metric sealing NYLON washers mainly used to reduce pressure and friction, prevent leakage, isolate, loosening or disperse pressure.Also to increase contact area, reduce pressure and protect parts and screws.

Nylon washer, corrosion resistance and wear resistance.

8 common sizes, meeting your different demand.

Fits M2, M2.5, M3, M4, M5, M6, M8, M10 screws bolt.

Reliable Material: these washers are made of polypropylene, a plastic material, featuring with good insulation, low profile and good durability, which are easy to hold

Size Information: the plastic washers are about 45 mm/ 1.77 inch in diameter, and the middle hole is about 5 mm; Each plastic washer is about 1.7 g

Sufficient to Use: you will get 200 washers for screws and nails, enough for your daily replacement and use in foam board insulation and other repair

Package Content: You will receive 30pcs clear plastic washer gaskets, packed in a plastic case for easy storage. Sufficient for your daily home use and replacement.

Product Size: Each plastic flat washer measures approximately 18mm/0.7inch in outer diameter, 6mm / 0.24inch in inner diameter and 2mm / 0.08inch in thickness. Standard size for 3/4inch standoff cap components.

Reliable Material: The clear flat washers are made of quality PVC material, sturdy, wear resistant and durable. They have excellent sealing performance and compressive ability, not easy to break, which can provide a long-term service time.

Quantity:89 pieces metric O rings classification kit,there are 15 sizes.

Material:The white one is silicone，Transparent is rubber，Black is Nitrile Rubber.

Application: for Faucet Pipe Water Hose，Faucet Areator，Filter Hose Washers,Gas pipe gaskets.

Enough for Use: you'll get 200 pcs of plastic washers for screws, enough for your daily replacement and for most types of medium soft foam boards and other repairs

Size Information: plastic washer is about 60 mm in diameter, 5.2 mm in overall depth, only 4.2 mm when low profile, 5.5 mm in the middle hole, suitable for screw sizes of 4, 5 or 6 mm (5 mm recommended); Each is approx. 5.5 g, light and easy to carry

Quality Material: these washers for screws are made of polypropylene (a plastic material), safe, sturdy, with good insulation, and can serve you for a long time; Plus, the reinforced design makes them easy fixation, rigidity and balance

Sufficient Supplies: Include 100 plastic washers gaskets in transparent color, enough quantity to meet daily use and replacement.

Reliable Material: Flat washer gasket is made of vinyl material, sturdy, not easy to break or age, wear-resistant with strong sealing, can be applied for a long time

Dimension: The flat washer gasket thickness is 1/16 inch, outside diameter is 3/4 inch, the inside diameter is 1/4 inch,this clear washer is designed to work with 3/4 inch standoff cap assemblies.

Kind Reminder: to avoid an unpleasant shopping experience, please note that confirm the required size and material before purchasing.

Dimension: the outside diameter is 3/4 inch (19 mm), the inside diameter is 0.236 inch (6 mm), thickness is 1/16 inch, this clear washer is designed to work with 3/4 inch (19 mm) standoff cap assemblies.

Widely Applicable: with nice an effect of repairing shower handles, these washer spacer can nicely replace worn washers on glass shower door handles/ towel bars, reducing costs and saving time and effort.

100pcs load spreading washers in total. Suitable for soft to hard, light to weight insulation foam board and plates or other repair.

Made of polypropylene (PP), these plastic washers feature with good insulation and good durability, corrosion & temperature resistance.

The polypropylene washers are about 45 mm/ 1.77 inch in diameter. The middle hole is about 5 mm, easy to fix with the corresponding screws (excluding screws).

High quality materials:These rubber washers are made of high-quality rubber and have excellent flexibility, elasticity and durability, not easily deformed and can be used for a long time

5 sizes: You will receive 100 small black rubber gaskets in 5 sizes, with 20 for each size, including 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. These different sizes of silicone pads can meet all your needs and are sufficient for replacement and backup.

Easy to store: All rubber rings are packed in a transparent plastic box that won't be lost, making it easy to carry, select, and store, which can save you time searching around for gaskets

Set Includes 8 most used sizes:M4 M5 M6 M8 N10 M12 M14 M16,can meet different using needs,good for your fixing or projects working.

Wedge locking washers are generally installed under the nut to prevent the nut from loosening.

Widely used in electrical connections on household and commercial appliances.

✔Premium Material: Insulation Washers are made of polypropylene, featuring with good insulation, corrosion resistance, not easy to deform, and can be used for a long time.

✔Product Content: 200 x washers; Enough to meet your daily needs. Diameter: 1.77 inch / 45mm, and the middle hole is about 5 mm.

✔Easy to Install: These washers are designed with a groove for driving screws, and the backside of the washer is convex for inserting into the surface of the back plate, which plays a fixed role.

Easy to install: These plastic washers are light in weight, easy to carry and install. The central hole is about 5mm, which will accommodate the corresponding screws (excluding screws). The bottom is flush, with good rigidity and balance.

High quality material: It is made of high quality polypropylene (PP), which is resistant to high and low temperatures, corrosion, good insulation, low profile and good durability, and can be used for a long time.

Fixing and supporting: these plastic gaskets are designed to fix and support expanded polystyrene plates, extruded polystyrene and various types of foam plates.