When it comes to fastening applications, one of the most important components is the washer. A washer is a thin plate that is used to distribute the load of a threaded fastener, such as a bolt or nut. DIN 127 Type B is a specific type of washer that is commonly used in mechanical and industrial applications. In this blog, we will discuss everything you need to know about DIN 127 Type B washers, including their features, applications, and benefits.

What are DIN 127 Type B Washers?

DIN 127 Type B washers are a specific type of washer that conforms to the German DIN 127 standard. These washers are made from high-quality materials, such as carbon steel or stainless steel, and are designed to provide a secure and reliable fastening solution.

Features of DIN 127 Type B Washers:

DIN 127 Type B washers have several features that make them ideal for use in mechanical and industrial applications. Some of these features include:

  1. Serrated Design: DIN 127 Type B washers have a serrated design that provides a secure grip between the washer and the fastener, preventing loosening due to vibration.

  2. High-Quality Materials: These washers are made from high-quality materials, such as carbon steel or stainless steel, which provide strength and durability.

  3. Corrosion Resistance: DIN 127 Type B washers are resistant to corrosion, making them suitable for use in harsh environments.

  4. Standardized Dimensions: These washers conform to the DIN 127 standard, which ensures standardized dimensions and easy interchangeability with other components.

Applications of DIN 127 Type B Washers:

DIN 127 Type B washers are commonly used in mechanical and industrial applications where a secure and reliable fastening solution is required. Some of the most common applications of these washers include:

  1. Automotive: DIN 127 Type B washers are commonly used in automotive applications, such as engine components, transmissions, and suspension systems.

  2. Machinery: These washers are also used in machinery applications, such as pumps, compressors, and motors.

  3. Construction: DIN 127 Type B washers are used in construction applications, such as steel structures, bridges, and buildings.

  4. Aerospace: These washers are used in aerospace applications, such as aircraft engines and landing gear.

Benefits of Using DIN 127 Type B Washers:

There are several benefits to using DIN 127 Type B washers in your fastening applications. Some of these benefits include:

  1. Secure Fastening: The serrated design of these washers provides a secure grip between the washer and the fastener, preventing loosening due to vibration.

  2. Standardized Dimensions: These washers conform to the DIN 127 standard, which ensures standardized dimensions and easy interchangeability with other components.

  3. Corrosion Resistance: DIN 127 Type B washers are resistant to corrosion, making them suitable for use in harsh environments.

  4. High-Quality Materials: These washers are made from high-quality materials, such as carbon steel or stainless steel, which provide strength and durability.

DIN 127 Type B washers are available in a range of sizes to suit different fastening applications.

Here is a size guide for DIN 127 Type B washers:

Nominal Diameter (d) Inside Diameter (d1) Outside Diameter (d2) Thickness (s)

M2 2.2 5 0.5

M2.5 2.7 6 0.5   

M3 3.2 7 0.5

M3.5 3.7 8 0.5

M4 4.3 9 0.8

M5 5.3 10 1

M6 6.4 12 1.6

M8 8.4 16 2

M10 10.5 20 2.5

M12 13 24 3

M14 15 28 3

M16 17 30 4

M18 19 34 4

M20 21 37 4

M22 23 39 5

M24 25 44 5

M27 28 50 6

M30 31 56 6

M33 34 62 7

M36 37 68 8

M39 40 74 8

M42 43 80 8

M45 46 85 9

M48 49 92 10

Note: These dimensions are for reference purposes only and may vary depending on the manufacturer. It is important to check the specifications of the washer before use to ensure compatibility with the fastener and the application.

Conclusion:

DIN 127 Type B washers are an important component in mechanical and industrial applications. These washers provide a secure and reliable fastening solution, thanks to their serrated design and high-quality materials. They are also resistant to corrosion, making them suitable for use in harsh environments. If you are looking for a reliable and high-quality fastening solution, DIN 127 Type B washers are a great choice.

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