39-44HRC Black Oxidation DIN6319 Spherical Type C Washers Supplier In China
Ningbo Teng Qi Fasteners Co., Ltd. is a experienced fastener manufacturer, we specialize in supplying high-quality 39-44HRC Black Oxidation DIN6319 Spherical Type C Washers for global customers. Our products are manufactured in strict accordance with DIN6319 standards, using high-strength materials and advanced processing technology to achieve accurate dimensions, stable hardness, and excellent load-bearing performance. The black oxidation treatment enhances surface protection and provides better wear resistance, making our spherical washers suitable for demanding fastening environments.
We have established a strict quality control system covering raw material inspection, production processes, heat treatment, surface finishing, and final inspection to ensure consistent product quality. With professional manufacturing experience and strong production capabilities, we can provide reliable DIN6319 spherical washers in various specifications to meet different application requirements. Our products are widely used in machinery, steel structures, automotive equipment, and industrial fastening systems, helping customers achieve safer and more durable bolted connections.


Specification:
DIN6319 Spherical Type Washers are specially designed to provide reliable support and compensation for angular misalignment between bolts, nuts, and clamping surfaces. Manufactured according to the DIN6319 standard, these washers feature a spherical contact surface that allows better load distribution and helps prevent uneven stress concentration during fastening. The black oxidation surface treatment provides enhanced corrosion resistance, improved appearance, and reduced reflection while maintaining stable mechanical performance.
| Product name | DIN6319 Spherical Type Washers |
|---|---|
| Inner Diamter: | Φ6-Φ48 |
| Hardness: | 39-44HRC |
| Material: | C45 |
| Surface Treatment | Black Oxidation |
| Packaging: | Boxes/cartons into wooden pallets |
Dimension Chart of 39-44HRC Black Oxidation DIN6319 Spherical Type C Washers:
The dimension chart of 39-44HRC Black Oxidation DIN6319 Spherical Type Washers provides detailed specifications, including inner diameter, outer diameter, thickness, spherical radius, and matching dimensions for different bolt sizes. These precise dimensions ensure proper alignment between bolts, nuts, and uneven clamping surfaces, allowing the washers to compensate for angular deviations and improve the stability of bolted connections.

| Mon | Φ6 | Φ8 | Φ10 | Φ12 | Φ14 | Φ16 | Φ20 | Φ24 | Φ30 | Φ36 | Φ42 | Φ48 |
| d max | 6.62 | 8.62 | 10.77 | 13.27 | 15.27 | 17.27 | 21.33 | 25.33 | 31.39 | 37.39 | 43.39 | 50.39 |
| d min | 6.4 | 8.4 | 10.5 | 13 | 15 | 17 | 21 | 25 | 31 | 37 | 43 | 50 |
| dc | 12 | 17 | 21 | 24 | 28 | 30 | 36 | 44 | 56 | 68 | 78 | 92 |
| h1 | 0.7 | 0.6 | 0.8 | 1.1 | 1.2 | 1.3 | 2 | 2.4 | 3.6 | 4.6 | 6.5 | 8 |
| h | 2.3 | 3.2 | 4 | 4.6 | 5 | 5.3 | 6.3 | 8.2 | 11.2 | 14 | 17 | 21 |
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Application of 39-44HRC Black Oxidation DIN6319 Spherical Type C Washers:
39-44HRC Black Oxidation DIN6319 Spherical Type Washers are widely used in applications where bolt connections require compensation for angular deviations and improved load distribution. Their spherical design allows the washer to adapt to inclined or uneven surfaces, while the hardened surface provides excellent wear resistance and long-term stability under heavy loads and vibration conditions.
| Application | Details |
|---|---|
| Heavy Machinery Industry | Used in excavators, loaders, cranes, and other construction equipment to improve the reliability of high-strength bolted joints subjected to heavy loads and continuous vibration. |
| Steel Structure and Construction Industry | Applied in bridges, building structures, steel frames, and large structural assemblies where accurate load distribution and secure fastening are required. |
| Mining Equipment Industry | Suitable for drilling machines, crushing equipment, conveyors, and mining machinery operating in harsh environments with high impact loads. |
| Railway Industry | Applied in railway equipment, track-related machinery, and maintenance systems to maintain secure connections under repeated vibration and dynamic loads. |
| Agricultural Machinery Industry | Used in tractors, harvesters, and farming equipment where uneven working conditions require reliable fastening solutions. |
| Energy Equipment Industry | Suitable for wind turbines, power generation equipment, and industrial energy systems where long-term structural stability is essential. |
