M8 (8.4mm) A2 Grade Form A Flat Stainless Washers

Stainless Washers

Top quality form A flat stainless washers supplied straight from Warrington, UK. These washers are for metric bolts and screws.

The M8 (8.4mm) A2 Grade Form A Flat Stainless Washers from Speciality Metals are essential components in a wide variety of industries. 304-grade stainless steel is used to make these washers, which are highly durable as well as highly hygienic. Since they are versatile, they can be used in a variety of applications where hygiene is crucial, including the medical and food industries. Furthermore, they are low maintenance while still providing superior corrosion resistance. Stainless washers with M8 shapes provide secure connections due to their precise shapes and sturdy construction. As a result, industries looking for reliable and efficient solutions need these corrosion-resistant, flexible and durable washers.

Form A stainless washers are most used around the world.

Key product details:

• Standard – DIN 125A
• Fasteners Type – Form A Flat Washer
• Thread Diameter – M8
• Internal Diameter – 8.4mm
• Outer Diameter – 16mm
• Thickness – 1.6mm
• Metal – Stainless steel grade 304 (A2)

Speciality Metals are the best suppliers for you because:

• FREE UK delivery on all orders
• Order dispatch within 24 hours of order
• Located in Warrington, UK which is the UK home of mesh and metals
• Our experienced staff are experts in the mesh market and care personally about your customer experience

Speciality Metals is a trusted UK based distributor of fasteners, sheet metal, flat bar and round tube. We specialise in rapid delivery to any location around the country. Our team of experienced, friendly staff are at hand at all times to process your order.

FAQs About This Product

Can Form A Washers be Used in Automotive Applications?

Yes, Form A washers can be used in automotive applications. These washers are generally thicker and have a larger outer diameter compared to other forms, making them suitable for distributing loads effectively, which is often a requirement in automotive settings. The ability to evenly distribute load can help in reducing stress concentrations, minimising wear and enhancing the longevity of joined parts.

Stainless steel Form A washers are particularly useful in environments where corrosion resistance is a concern, as automotive components are often exposed to a range of corrosive elements like road salts, oils and moisture. Their durability and resistance to both rust and heat make them a good choice for many under-the-hood applications as well.

However, a few considerations should be kept in mind:

1. Material Compatibility: Ensure that the washer material is compatible with the other materials in the assembly to avoid galvanic corrosion.

2. Temperature Fluctuations: Automotive applications often involve fluctuating temperatures, so make sure the material used for the washers can withstand such changes without losing integrity.

3. Mechanical Stress: The washers should be capable of handling the mechanical stresses involved, including vibration and load stresses, which are common in automotive applications.

4. Regulations and Standards: Automotive applications often have stringent standards and regulations, so it’s crucial that the washers meet or exceed these requirements.

5. Special Requirements: Some automotive applications may require specialised washers with properties such as reduced friction or increased heat resistance.

Can I Use Them in Electrical Applications?

Yes, Form A washers can be used in electrical applications, but there are important considerations to keep in mind. The key factors include the electrical conductivity of the material, the potential for galvanic corrosion, and any specific electrical or safety standards that must be met.

1. Conductivity: Stainless steel is generally a poor conductor of electricity compared to materials like copper or aluminum. If electrical conductivity is a critical factor, stainless steel washers might not be the best choice.

2. Corrosion Resistance: Stainless steel’s corrosion resistance can be advantageous in electrical applications that are exposed to moisture or corrosive elements. However, care must be taken to avoid galvanic corrosion when stainless steel is in contact with other metals.

3. Insulation: If the application requires electrical insulation, you may need to use additional insulating materials such as plastic washers or sleeves in conjunction with stainless steel washers.

4. Temperature Tolerance: Stainless steel washers can generally handle a wide range of temperatures, but it’s important to ensure that they meet the specific temperature requirements of your electrical application.

5. Standards and Regulations: Electrical applications often have specific safety standards and regulations. Ensure that the use of Form A washers, especially if they are made from stainless steel, complies with these.

6. Specialised Washers: For some electrical applications, specialised washers made from non-conductive or semi-conductive materials may be needed. Make sure to assess the specific needs of your application.

7. Load and Mechanical Stress: Like in other applications, the washers should be capable of handling the mechanical stresses involved, including any vibrations or changes in load that could affect the integrity of the electrical assembly.

Are Stainless Steel Flat Washers UV Resistant?

Stainless steel flat washers are generally not affected by ultraviolet (UV) radiation, making them effectively UV-resistant. Unlike some plastics and rubbers, which can degrade when exposed to UV light over time, the metallic structure of stainless steel is not susceptible to UV-induced breakdown. This UV resistance is a part of why stainless steel is often chosen for outdoor applications where the material will be exposed to various environmental elements, including sunlight. However, it’s worth noting that while stainless steel itself is UV-resistant, the same may not be true for any coatings or treatments that the washers may have undergone. Additionally, while UV light may not affect stainless steel, other environmental factors such as exposure to saltwater or corrosive chemicals can impact its longevity. Therefore, when considering stainless steel washers for outdoor applications, it’s essential to take into account the full range of environmental conditions they will face.

Can Form A Flat Washers be Welded?

Yes, Form A flat washers made of materials like stainless steel can generally be welded, but there are some considerations to keep in mind. The welding process can affect the washer’s mechanical properties and its corrosion resistance. For instance, the heat from welding can cause carbide precipitation in certain types of stainless steel, which may reduce corrosion resistance in localised areas near the weld. Additionally, improper welding techniques can introduce stresses or deformities into the washer. Therefore, if you are considering welding Form A flat washers, it’s essential to use the appropriate welding method, filler material and heat treatment to ensure that the welded assembly meets the required mechanical and corrosion-resistance specifications. Always consult with professionals experienced in welding the specific materials you are working with, and consider the application’s requirements when deciding whether or not to weld Form A flat washers.

Check out our blogs discussing Stainless Steel Form A Washers. It will prove a useful read to help you to make an informed decision on which material would work best for you. 

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