








The flat washer is an indispensable thin metal component, renowned for its ability to reduce friction, prevent leakage, and provide isolation. Its versatile nature ensures that it effectively prevents loosening and distributes pressure evenly. Here is a comprehensive description of the myriad benefits and functionalities offered by flat washers:
1, Main features and applications
• Enhanced Contact Area: With flat washers, you can significantly enhance the contact area between bolts or nuts and the connected components. This results in optimal pressure distribution and protects the surfaces of the connected parts from being damaged or crushed.
Anti-Slip and Anti-Bite: During fastening installations, flat washers serve as a safeguard against loosening of bolts or nuts caused by vibrations or other disruptive factors. They also inhibit 'biting,' ensuring smoother disassembly.
• Diverse Material Choices: Masterfully crafted from a selection of metals like carbon steel, stainless steel, and copper, flat washers are designed to meet the demands of various environments and industrial applications.
2, Specifications and standards
Standard Dimensions: Flat washers adhere to defined dimensions, including inner diameter, outer diameter, and thickness, tailored to each model and application. For example, an M1.6 model has a 1.6mm inner diameter, a 4mm outer diameter, and a 0.3mm thickness; whereas the M10 model offers a 10mm inner diameter, 20mm outer diameter, and 2mm thickness.
National Standards: The meticulous production and application of flat gaskets are in line with national standards, such as GB/T 95-2002 'Flat Gaskets Class C' and GB/T 97.1-2002 'Flat Gaskets Class A'. These standards provide precise guidelines on dimensions, tolerances, materials, and technical specifications for flat washers.
3, Application scenarios
Mechanical Equipment: Flat washers are indispensable in mechanical equipment, providing unwavering stability and reliability at connections between bolts and nuts.
Automotive Industry: In the automotive sector, flat washers are pivotal in connecting critical components like engines and transmissions, enhancing the durability and safety of connections.
Construction Industry: Within the construction sphere, flat washers are vital for steel structure and pipeline connections, ensuring that connectors resist loosening due to vibrations or external forces.
4, Performance and Limitations
Performance: Flat washers boast exceptional compressive and wear resistance, maintaining stable connections even in high-pressure environments. Their anti-slip and anti-bite properties further enhance the safety and reliability of connectors.
• Limitations: In challenging environments—such as those with high temperature, humidity, or corrosive elements—the efficacy of flat washers can be compromised. Additionally, excessive tightening axial force at connection points may deform flat washers into a disc shape, hindering pressure distribution. Addressing these challenges may require using specialized materials and increasing hardness.
In conclusion, as a vital auxiliary component in the realm of fasteners, flat washers are instrumental across industries like mechanical equipment, automotive, and construction. A thorough understanding of their key features, specifications, application scenarios, and performance limitations enables informed selection and usage, ultimately ensuring connection stability and reliability.