








The flat washer is an indispensable thin metal component, meticulously designed to minimize friction, avert leakage, provide isolation, deter loosening, and effectively distribute pressure. Here's an insightful exploration of the remarkable flat washers:
1, Main features and applications
• Expansive contact area: Flat washers significantly enhance the contact surface between bolts or nuts and their connected parts, which leads to an even distribution of pressure. This ensures the protection of the surface integrity of the parts, preventing any crushing.
Remarkable anti-slip and anti-bite attributes: During fastening installations, flat washers are adept at preventing bolts or nuts from loosening due to vibrations or external factors. Their anti-bite feature simplifies disassembly, offering unmatched ease.
• Versatile material choices: Crafted from an array of high-quality metal materials such as carbon steel, stainless steel, and copper, flat washers are designed to cater to various environmental and application demands.
2, Specifications and standards
Standard dimensions: Flat washers come with standard measurements including inner diameter, outer diameter, and thickness, all tailored according to their specific model and application setting. For instance, an M1.6 model flat washer boasts an inner diameter of 1.6mm, an outer diameter of 4mm, and a thickness of 0.3mm; whereas an M10 model features an inner diameter of 10mm, an outer diameter of 20mm, and a thickness of 2mm.
National standards: The manufacturing and utilization of flat washers adhere to a comprehensive set of national standards, such as GB/T 95-2002 "Flat Gaskets Class C" and GB/T 97.1-2002 "Flat Gaskets Class A." These standards meticulously outline the dimensions, tolerances, materials, and technical prerequisites for flat washers.
3, Application scenarios
Mechanical equipment: In the realm of mechanical equipment, flat washers are indispensable at the junctions of bolts and nuts, ensuring unparalleled stability and reliability of connections.
Automotive industry: In the automotive manufacturing sector, flat washers are crucial for connecting vital components such as engines and transmissions, significantly enhancing the durability and safety of these connections.
Construction industry: Within construction, flat washers are frequently utilized in steel structure connections, pipeline joints, and similar scenarios, effectively preventing connector loosening caused by vibrations or external forces.
4, Performance and Limitations
Performance: Flat washers possess outstanding compressive and wear resistance capabilities, maintaining stable connections even in high-pressure environments. Their anti-slip and anti-bite features further ensure that connections remain secure and reliable.
• Limitations: In specific challenging environments, such as those with high temperatures, high humidity, or corrosive elements, the performance of flat washers may be compromised. Additionally, if the tightening axial force at a connection point becomes excessively large, the flat washer might deform into a disc shape, hindering its pressure distribution ability. In such cases, opting for materials with enhanced hardness is crucial to resolve these issues.
In conclusion, flat washers serve as a vital auxiliary component in fasteners, playing crucial roles across numerous industries, including mechanical equipment, automotive, and construction. Gaining a comprehensive understanding of their main characteristics, specifications, application scenarios, and performance limitations is essential for making informed selections and ensuring unwavering stability and reliability in connections.