M2 (2mm) Form A Flat A2 Stainless Steel Washers

Steel  Washers

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

M2 (2mm) Form A Flat A2 Stainless Steel Washers from Speciality Metals are of 304 grade and provide a range of benefits. They are ideal for applications in the food and medical industries because of their excellent hygiene properties. In addition, they are highly durable and versatile, able to withstand extreme temperatures and pressures. The low maintenance requirements and corrosion resistance of these products further enhance their appeal. They are ideal for construction and engineering applications due to their secure fastening capabilities. Reliability, strength and longevity are all key attributes of these steel washers.

Form A flat steel washers that are most used around the world.

Key product details:

• Standard – DIN 125A
• Fasteners Type – Form A Flat Washer
• Thread Diameter – M2
• Internal Diameter – 2.2mm
• Outer Diameter – 4mm
• Thickness – 0.3mm
• 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

Are Steel Washers Impact Resistant?

Stainless steel 304 Form A washers offer a reasonable level of impact resistance due to the inherent properties of the 304-grade stainless steel from which they are made. While not as strong as some high-carbon or alloy steels, 304 stainless steel provides a good balance of strength, ductility and corrosion resistance. This grade of stainless steel contains 18% chromium and 8% nickel, contributing to its resilience. However, it’s important to note that impact resistance can be influenced by several factors such as temperature, washer thickness and the overall design of the assembly in which the washer is used. For instance, at low temperatures, stainless steel can become more brittle and less impact-resistant. In summary, while 304 Form A stainless steel washers are generally suited for a variety of applications requiring some level of impact resistance, if your application is particularly demanding in terms of mechanical impacts, you might want to consider other options like washers made from higher-grade steel or undergo specialised treatments to improve their impact resistance. Always consult with engineers or material experts for specific requirements.

How do Form A Washers Handle Freezing Temperatures?

Form A washers, like all metal components, are subject to changes in mechanical properties at extreme temperatures, including freezing conditions. The performance of these washers at low temperatures largely depends on the material from which they are made. For instance, stainless steel 304 Form A washers maintain a decent level of impact resistance and tensile strength at low temperatures, but they can become somewhat more brittle as the temperature drops. This can make them less ideal for applications involving high levels of impact or dynamic loading in freezing conditions. Carbon steel washers may face similar challenges, and their susceptibility to corrosion could also increase. Some metals undergo a ductile-to-brittle transition at low temperatures, meaning they lose their ability to deform plastically and become more prone to brittle fracture. For critical applications in freezing environments, it may be advisable to opt for materials specifically designed to maintain their mechanical properties at low temperatures, such as certain grades of low-temperature carbon steel or specialized alloys. It’s crucial to consult with material scientists or engineers to ensure that the washers you select are suitable for the specific conditions they will encounter.

How are Steel Form A Washers Manufactured?

The manufacturing process for steel Form A washers can vary depending on the specific requirements, volume and other factors. However, here’s a general overview of how they are commonly manufactured:

1. Material Selection: The first step is selecting the appropriate type of steel. This could be a stainless steel, carbon steel or alloy steel depending on the application requirements such as corrosion resistance, strength, and thermal conductivity.

2. Sheet or Coil Preparation: Steel usually comes in large rolls or sheets, which are cut to the required size for producing washers.

3. Blanking: The primary form of the washer is created using a blanking process. This is usually done using a punch and die setup that stamps out washer shapes from the steel sheet.

4. Piercing: A secondary operation is carried out to punch out the inner hole in the blanked washer shape.

5. Heat Treatment: Depending on the type of steel and the required mechanical properties, the washers might undergo a heat treatment process like annealing, quenching or tempering to alter their structural characteristics.

6. Deburring and Cleaning: After the washers are stamped and possibly heat-treated, they undergo a deburring process to remove any sharp edges or burrs. They are also cleaned to remove any grease, dirt or oxide layers that may have formed during the previous steps.

7. Finishing: Various finishing processes like plating, coating or polishing may be applied to improve appearance, corrosion resistance or other surface properties. Options include zinc plating, galvanising or even specialised coatings like PTFE.

8. Quality Control: The finished washers undergo quality control checks, which may include dimensional inspection, hardness testing and visual inspection to ensure they meet all specifications.

9. Packaging and Distribution: Once they pass quality control, the washers are packaged and prepared for distribution.

10. Documentation: Manufacturing certifications, material test reports and other relevant documents are prepared to accompany the finished product.

Can Steel Washers be Used in Medical Applications?

Steel washers can be used in medical applications, but their suitability depends on various factors such as the type of steel, the specific medical application and the regulatory standards that must be met. Stainless steel, particularly grades like 316L, is often used in medical equipment due to its high corrosion resistance, strength and biocompatibility. These characteristics make it ideal for environments where hygiene and material integrity are paramount, such as in surgical instruments, implants and medical devices. However, it’s crucial that any steel washers used in medical applications are manufactured to the strict quality standards often required in the medical field, such as ISO 13485 for medical devices. They may also need to undergo special finishing processes to ensure they are free from contaminants and are biocompatible. Furthermore, medical applications often require extensive documentation and traceability to ensure material consistency and safety. Therefore, while steel washers can be used in medical settings, they must be carefully selected and processed to meet the stringent requirements typical of medical applications.

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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