Home » Shop » M10 (10.5mm) A2 Form A Flat Stainless Steel Washer
£1.25 – £3.75 inc VAT
Steel washers are one of the most important components in any construction project. When it comes to choosing the perfect steel washer, you want one that ticks all the boxes in terms of hygiene, durability and versatility. The M10 (10.5mm) A2 Form A Flat Stainless Steel Washer from Speciality Metals is an outstanding option for anyone looking for a top-quality washer. Made with 304 grade stainless steel, this washer boasts excellent hygiene properties, making it ideal for use in hygiene-sensitive environments. It is also highly durable, versatile and low maintenance, meaning that you can rely on it to last you for years to come. In addition, this washer is corrosion-resistant and provides a secure fit, making it a fantastic option for a wide range of applications.
Top quality flat form A stainless steel washer supplied straight from Warrington, UK. These washers are for metric bolts and screws.
A2 Form A Flat Stainless Steel Washers by Speciality Metals are highly durable and versatile options for a wide range of applications. As a result of its high-quality stainless steel construction, this washer has excellent hygiene properties, making it the ideal choice for areas that require a high level of cleanliness. A secure solution that can withstand the elements, its low-maintenance design and corrosion-resistant properties make it an ideal choice for those seeking a low-maintenance solution. Steel washers are a reliable choice for any job, whether you’re in the automotive or construction industries. With its impressive range of features, it’s clear to see why Speciality Metals is a trusted name in the industry.
Form A flat metal washer that are most used around the world.
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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.
Form A washers can be used in marine environments, but the type of material from which the washers are made is crucial for ensuring their longevity and effectiveness in such corrosive conditions. Stainless steel, particularly grades like 316, which contain molybdenum, offer better corrosion resistance compared to other materials and are often chosen for marine applications. Grade 316 stainless steel is resistant to the chloride ions found in saltwater, which can be corrosive to other types of metal, including lower grades of stainless steel like 304.
However, there are several factors to consider:
Corrosion Resistance: Even corrosion-resistant materials can corrode under certain conditions. For critical applications, periodic inspections are advised.
Mechanical Stress: Marine environments can present not just corrosive but also abrasive conditions. Ensure the washers can handle the mechanical stresses involved.
Material Compatibility: Ensure that the washer material is compatible with the other materials used in the assembly to avoid galvanic corrosion, a process where two dissimilar metals in contact can corrode.
Standards and Regulations: Marine applications often have specific regulations and quality standards that must be met. Make sure your chosen washers adhere to these.
Special Treatments: In certain applications, you may require washers that have undergone special treatments for extra corrosion resistance or strength.
Regular Maintenance: Salt residues should be regularly cleaned to maintain the integrity of the washer and the overall assembly.
Form A washers can generally be used in conjunction with nylon nuts, but several considerations should be accounted for. While nylon and stainless steel are generally compatible and unlikely to experience galvanic corrosion, their different coefficients of thermal expansion could lead to loosening in fluctuating temperatures. Form A washers, known for effective load distribution, can be particularly beneficial when used with nylon nuts, which may have lower load-bearing capabilities than their metal counterparts. The washers can also complement the vibration resistance offered by the nylon insert in nylon nuts. However, it’s important to be cautious about torque requirements, as nylon nuts and metal washers may have different tightening specifications. For applications subjected to mechanical stress or regulated by specific standards, consultation with engineering experts is advisable to ensure that the combination of Form A washers and nylon nuts will meet the performance requirements of the intended application.
Flat washers can be used in aerospace applications, but they usually have to meet stringent quality and performance standards set by regulatory bodies and industry organisations. Aerospace applications often require components that can withstand extreme conditions such as high speeds, fluctuating temperatures and corrosive environments. Therefore, washers used in these settings are often made of specialised materials like titanium, Inconel or aerospace-grade aluminum, which offer a combination of strength, lightness and corrosion resistance.
Material Quality: The material must be of the highest quality, often requiring certification to aerospace standards.
Corrosion Resistance: Given the range of environments that aerospace components are exposed to, corrosion resistance is a key concern.
Mechanical Stress: Washers in aerospace applications may be subject to extreme mechanical stresses, including high levels of vibration and load stresses.
Temperature Tolerance: Materials must be able to withstand the extreme temperature variations that are typical in aerospace applications, from the intense heat of takeoff to the extreme cold of high-altitude or space environments.
Weight Concerns: Aerospace applications often have strict weight limitations, making lightweight materials like titanium or aerospace-grade aluminum popular choices.
Quality Control and Traceability: Aerospace applications often require full traceability of materials and rigorous quality control during manufacturing.
Standards and Regulations: Components must meet or exceed stringent aerospace standards such as AS, AN or MS specifications in the U.S., or their equivalent in other countries.
Special Treatments: Special coatings or treatments may be required to enhance properties like lubricity or resistance to wear and tear.
Stainless steel Form A washers are generally compatible with a variety of metals, but there are some important considerations to keep in mind to prevent issues such as galvanic corrosion. Galvanic corrosion occurs when two dissimilar metals are in electrical contact and exposed to an electrolyte like water. In this case, the less noble metal (the anode) corrodes faster than it would alone, while the more noble metal (the cathode) corrodes more slowly.
Compatibility: Stainless steel is generally considered to be compatible with other stainless steel grades and with certain other metals like aluminum and brass. However, it may be less compatible with metals like copper and mild steel.
Electrolytic Environment: The risk of galvanic corrosion increases in environments where there is a constant presence of electrolytes, such as saltwater.
Insulating Materials: Using insulating materials like rubber or plastic washers between the stainless steel washer and the incompatible metal can sometimes reduce the risk of galvanic corrosion.
Surface Area Ratio: When pairing metals, consider the surface area ratio. A large cathode coupled with a small anode can lead to rapid corrosion of the anode.
Passivation: Stainless steel can often be passivated to increase its corrosion resistance, but this process might make it less compatible with certain metals.
Environmental Conditions: Acidity, temperature and other environmental factors can also influence how well stainless steel will be compatible with other metals.
Application-Specific: Always consider the specific requirements of your application and consult with materials scientists or engineers to ensure compatibility.
Standards and Regulations: Certain applications may have guidelines or standards that offer compatibility charts or prescribe specific material combinations to prevent corrosion.
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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