Best M12 Flat Washers in 2026

【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.

🔩【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.

√ Size: M2 M2.5 M3 M4 M5 M6 M8 M10 M12

√ Material: Durable nylon, not rubber, wear-resisting corrosion resistance

√ Quantity: It contains 600 Pieces/9 Sizes of the most commonly used Nylon washers

√【Kindroufly Combination】: M2 (200 pieces), M2.5 (200 pieces), M3 (100 pieces), M4 (100 pieces), M5 (72 pieces), M6 (50 pieces), M8 (50 pieces), M10 (20 pieces), M12 (8 pieces), total 9 sizes 800pieces, different sizes and enough quantities can meet your different daily needs.

√【High Quality Stainless】: Kindroufly fender washers are made of 304 stainless steel, which have smooth surface, high strength, not easy to deform, corrosion resistance and rust resistance, can ensure a long time using in bad environment like high temperature, cold weather, and high humidity areas.

√【Fender Washers Function】: Flat washers are commonly used to prevent nuts from loosening. Our flat washers are well made, with smooth and shiny surface, highly compatible with screws, nuts and bolts of same sizes and feature solid bearing surface to prevent nut/bolt head from tearing through material.

【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.

Material: 304 Stainless Steel, corrosion resistant

Size: M2 M2.5 M3 M4 M5 M6 M8 M10 M12

Quantity: It contains 684pcs/9 Sizes of the most commonly used Stainless Steel washers

♛ 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.

√ Size: M2 M2.5 M3 M4 M5 M6 M8 M10 M12

√ Material: Durable Nylon, wear-resisting corrosion resistance

√ Quantity: It contains 600pcs/9 Sizes of the most commonly used Nylon washers

♛ 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)

★Material: Made of alloy steel, good hardness, low temperature strength and corrosion resistant.

★Size: 9 Sizes of the most commonly used flat washers, M2 M2.5 M3 M4 M5 M6 M8 M10 M12.

★Quantity: It contains 9 sizes totally 684pcs, each size comes in a little poly bag organized in a little compartmentalized box. Perfect for having around the house and doing small projects.

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

√ Size : M2 (120pcs), M2.5 (120pcs), M3 (120pcs), M4 (120pcs), M5 (80pcs), M6 (56pcs), M8 (50pcs), M10 (22pcs), M12 (12pcs), total 9 different sizes can meet your different needs.

√ Material: High Quality 304 Stainless Steel, 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.

√ Feature: Weak Magnetic, the magnetic properties of 304 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials, which means that the magnetic properties of 304 steel always show weak magnetic properties

Material: Nylon

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

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

【Sizes】M2 M2.5 M3 M4 M5 M6 M8 M10 M12, total 600 pieces/9 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】304Stainless 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.

Metric 8 sizes Screw/Bolt Nylon Flat Washer white color total 550 pieces;

Suitable for metric M2, M2.5, M3, M4, M5, M6, M8 ,M10 screws/bolt;

All products are made of durable nylon, Strong,anticorrosive;

【Different Sizes of Flat Washer】The nylon flat washer assortment kit contains 8 different common used sizes including M2, M2.5, M3, M4, M5, M6, M8 and M10. You can choose the suitable flat washer according to your diverse screws and bolts.

【High-quality Material】 Made of Nylon, flat washers are wear-resisting and moisture resistant, ensuring long lasting service life. In addition, you can rest assured that the flat washer will prevent electrical shorts between metal and metal.

【Wide Range of Applications】 Our flat washer can effectively serve as a bearing surface for fastener load distribution and resistance to abrasion. In this way, it is perfect for threaded/bolt-type connections on both commercial and household appliances, such as aerospace industry, interior decoration and fitness equipment.

【Different Sizes of Flat Washer】 The nylon flat washer assortment kit contains 8 different common used sizes including M2, M2.5, M3, M4, M5, M6, M8 and M10. You can choose the suitable flat washer according to your diverse screws and bolts.

【High-quality Material】Made of Nylon, flat washers are wear-resisting and moisture resistant, ensuring long lasting service life. In addition, you can rest assured that the flat washer will prevent electrical shorts between metal and metal.

【Wide Range of Applications】Our flat washer can effectively serve as a bearing surface for fastener load distribution and resistance to abrasion. In this way, it is perfect for threaded/bolt-type connections on both commercial and household appliances, such as aerospace industry, interior decoration and fitness equipment.

【Sizes】M2 M2.5 M3 M4 M5 M6 M8 M10 M12, total 800 pieces/9 sizes of the most commonly used nylon washers in a plastic case, different size can satisfy your different needs.

【Material】Made of high quality nylon material which is corrosion-resistant, high hardness, non-polluting, high temperature resistant, and not easy to rust during use, you can use it with confidence.

【Design】Nylon flat washers are mainly used to reduces friction between the fasteners, prevents leakage, isolates, prevents loosening or dispersion pressure. Nylon material with corrosion resistance, wear-resisting to ensure life-time use.

♛ 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.

➤SOCELL stainless washers include :M2 M2.5 M3 M4 M5 M6 M8 M10 M12 flat washers.These sizes are often needed.

➤SOCELL stainless steel washers for screws contain 700pieces flat washers and a storage box for quick and easy use.

➤Widely 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

【Sizes】M2 M2.5 M3 M4 M5 M6 M8 M10, total 600 pieces/8 sizes of the most commonly used nylon washers in a plastic case, different size can satisfy your different needs.

【Material】Made of high quality nylon material which is corrosion-resistant, high hardness, non-polluting, high temperature resistant, and not easy to rust during use, you can use it with confidence.

【Design】Nylon flat washers are mainly used to reduces friction between the fasteners, prevents leakage, isolates, prevents loosening or dispersion pressure. Nylon material with corrosion resistance, wear-resisting to ensure life-time use.

Material: Stainless Steel.

They can be used in construction, equipment manufacturing and so on.

These gaskets are made of stainless steel, which is anti-rust.

Color: TYPE1

Package Includes: 1 Set Washers(360 Pieces).

This retaining washer set is mainly used in car, boat, machine repair and maintenance, meeting your different needs.

UNCOMPROMISED QUALITY - While ordinary steel flat washers are of poor quality and fail to abide by their functionality; our premium quality stainless steel washers are made of 304 stainless steel giving them a high tensile strength making it durable for rough and tough conditions

INDOOR AND OUTDOOR REPAIRING - HARDLAD’s flat washer assortment kit have a high-grade manufacturing and are engineered to withstand critical temperatures. These flat washer don't easily loose their properties and shape. Hence a best fit for your personal or professional projects

WE SURPASS PERFECTION- Gone are the days of baring hefty charges just to fix a lose screw or to tighten a hose. With our easy to use washer kit, you will be able to DIY any machine, furniture, sanitary, automotive work etc at anytime.

Size: Inner Diameter: 2.5mm / 0.1 inch; Outer Diameter: 5mm / 0.2inch; Thickness: 1mm / 0.04 inch

Advantage: Nylon washers can be used for sealing applications, i.e. in water, oil, air, etc. They can also be used for cushioning, reducing pressure and friction, increasing the contact area and providing a support surface for fasteners.

Application: Nylon flat washers are widely used in home installations, and household appliances which with bolted connections. It can also be used as a sealing ring for faucet pipes, hose nuts or garden watering tool accessories.