Black Oxidation DIN2093 Series A Disc Spring Washers Supplier In China
Ningbo Teng Qi Fasteners Co., Ltd. is a reliable supplier of Black Oxidation DIN2093 Series A Disc Spring Washers, specializing in providing high-quality spring components for global industrial customers. With advanced manufacturing capabilities and strict quality control systems, we ensure that every disc spring washer meets DIN2093 dimensional requirements and delivers stable spring force, excellent elasticity, and long-term durability. Our products are manufactured using high-quality spring steel materials and undergo professional heat treatment and surface finishing processes to achieve consistent mechanical performance.
As an experienced disc spring washer manufacturer, we focus on precision production, quality inspection, and customized solutions to meet different application requirements. Whether for standard sizes or special specifications, we can provide reliable products with accurate dimensions, stable loading performance, and competitive supply capabilities. Our Black Oxidation DIN2093 Series A Disc Spring Washers are widely used in mechanical equipment, automotive systems, industrial machinery, and other applications where space-saving and high-performance spring solutions are required.


Specification:
Black Oxidation DIN2093 Series A Disc Spring Washers are manufactured according to the DIN2093 standard and are designed to provide high spring force within a compact installation space. They are typically made from high-quality spring steel materials such as 50CrV4, 51CrV4, or equivalent materials, offering excellent elasticity, fatigue resistance, and load stability. The black oxidation surface treatment improves surface protection, reduces light reflection, and provides a uniform black appearance while maintaining the mechanical performance of the disc springs.
| Product name | Black Oxidation DIN2093 Series A Disc Spring Washers |
|---|---|
| Inner Diamter: | Φ8-Φ250 |
| Material: | 51CrV4 60Si2Mn 65Mn |
| Surface Treatment | Black Oxidation/Phosphating |
| Packaging: | Boxes/cartons into wooden pallets |
Dimension Chart of DIN2093 Series A Disc Spring Washers:
The dimension chart of Black Oxidation DIN2093 Series A Disc Spring Washers provides detailed information about the key parameters, including inner diameter (d), outer diameter (D), thickness (t), free height (l₀), and load capacity. These dimensions are manufactured according to DIN2093 standards to ensure accurate fitting, reliable spring performance, and consistent mechanical properties in different applications. The Series A design is commonly selected for applications requiring higher spring force with limited installation space.

| Mon | Φ8 | Φ10 | Φ12.5 | Φ14 | Φ16 | Φ18 | Φ20 | Φ22.5 | Φ25 | Φ28 | Φ31.5 | Φ35.5 | Φ40 | Φ45 | Φ50 | Φ56 | Φ63 | Φ71 | Φ80 | Φ90 | Φ100 |
| dc max | 8 | 10 | 12.5 | 14 | 16 | 18 | 20 | 22.5 | 25 | 28 | 31.5 | 35.5 | 40 | 45 | 50 | 56 | 63 | 71 | 80 | 90 | 100 |
| dc min | 7.85 | 9.85 | 12.32 | 13.82 | 15.82 | 17.82 | 19.79 | 22.29 | 24.79 | 27.79 | 31.25 | 35.25 | 39.75 | 44.75 | 49.75 | 55.7 | 62.7 | 70.7 | 79.7 | 89.65 | 99.65 |
| d max | 4.32 | 5.32 | 6.35 | 7.35 | 8.35 | 9.35 | 10.38 | 11.38 | 12.38 | 14.38 | 16.48 | 18.51 | 20.61 | 22.61 | 25.61 | 28.71 | 31.25 | 36.25 | 41.25 | 46.25 | 51.3 |
| d min | 4.2 | 5.2 | 6.2 | 7.2 | 8.2 | 9.2 | 10.2 | 11.2 | 12.2 | 14.2 | 16.3 | 18.3 | 20.4 | 22.4 | 25.4 | 28.5 | 31 | 36 | 41 | 46 | 51 |
| h max | 0.36 | 0.46 | 0.52 | 0.52 | 0.62 | 0.73 | 0.83 | 0.83 | 0.93 | 1.03 | 1.29 | 1.29 | 1.54 | 1.79 | 2.04 | 2.04 | 2.54 | 2.54 | 3.04 | 3.54 | 3.54 |
| h min | 0.33 | 0.43 | 0.49 | 0.49 | 0.59 | 0.61 | 0.71 | 0.71 | 0.81 | 0.91 | 1.13 | 1.13 | 1.38 | 1.63 | 1.88 | 1.88 | 2.38 | 2.38 | 2.88 | 3.38 | 3.38 |
| H max | 0.65 | 0.8 | 0.95 | 1 | 1.15 | 1.3 | 1.5 | 1.6 | 1.75 | 1.95 | 2.35 | 2.45 | 2.85 | 3.35 | 3.7 | 3.95 | 4.55 | 4.8 | 5.6 | 6.3 | 6.6 |
| H min | 0.5 | 0.65 | 0.8 | 0.85 | 1 | 1.15 | 1.27 | 1.37 | 1.52 | 1.72 | 2.05 | 2.15 | 2.55 | 2.9 | 3.25 | 3.5 | 4.1 | 4.35 | 5.15 | 5.85 | 6 |
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Application of Black Oxidation DIN2093 Series A Disc Spring Washers:
Black Oxidation DIN2093 Series A Disc Spring Washers are designed for applications that require high spring force, limited installation space, and reliable preload maintenance. Compared with conventional coil springs, disc spring washers provide a more compact solution while delivering excellent load capacity and fatigue resistance, making them suitable for a wide range of industrial fastening and mechanical systems.
| Application | Details |
|---|---|
| Automotive Industry | Black Oxidation DIN2093 Series A Disc Spring Washers are widely used in automotive components such as clutches, transmissions, braking systems, and engine assemblies. Their compact structure and high load capacity help maintain consistent preload force, reduce vibration, and improve the reliability and service life of automotive parts. |
| Mechanical Equipment Industry | In industrial machinery and mechanical equipment, these disc spring washers are commonly installed in bolted joints, bearing assemblies, and precision mechanisms. They provide stable spring force under dynamic loads, compensate for bolt relaxation caused by vibration or temperature changes, and help maintain secure connections during long-term operation. |
| Heavy Machinery Industry | For construction machinery, mining equipment, and heavy-duty machines, Black Oxidation DIN2093 Series A Disc Spring Washers are used in high-load fastening systems and shock-resistant assemblies. Their excellent fatigue resistance and load-bearing capability make them suitable for harsh working environments with frequent pressure changes. |
| Power Generation Industry | These disc spring washers are applied in power equipment such as turbines, generators, and electrical switchgear. They help maintain proper clamping force in critical connections, ensuring stable operation and reducing the risk of loosening caused by vibration and thermal expansion. |
| Railway Industry | In railway vehicles and track equipment, DIN2093 Series A Disc Spring Washers are used in fastening systems, suspension components, and mechanical assemblies. Their ability to absorb shock loads and maintain constant pressure makes them suitable for applications requiring high safety and durability. |
| Oil & Gas Industry | In valves, pressure equipment, and pipeline systems, these disc spring washers help maintain sealing pressure and fastening reliability under high-pressure and temperature-changing conditions. The black oxidation finish provides additional surface protection for industrial environments. |
