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China Single Coil Spring Lock Washers Manufacturer, Supplier, Factory
Single Coil Spring Lock Washers are indispensable components in various mechanical assemblies, providing reliable locking force to prevent nuts and bolts from loosening under vibration or dynamic loads. Our comprehensive range includes Light Type Spring Lock Washers, designed for applications where minimal load and space are considerations. We also offer standard Spring Lock Washers for general-purpose use. For more demanding environments requiring higher spring force, our Coil Spring Lock Washers are the ideal choice. Additionally, if your project requires the fundamental spring action of a coiled disc without the specific locking feature, explore our selection of Coil Spring Washers. Each variant is engineered to meet specific industrial standards, ensuring optimal performance, durability, and vibration resistance in your fastening systems.
The fundamental mechanism of a Single Coil Spring Lock Washer involves its helical, single-coil design. When compressed under a nut or bolt head, the washer exerts a continuous spring force against the fastener and the bearing surface. This action maintains tension in the bolted joint, effectively counteracting the rotational forces that cause self-loosening. The gap in the coil allows for slight flexibility and absorption of shock and vibration, making the Single Coil Spring Lock Washer a critical element for maintaining the integrity of assemblies in automotive, aerospace, machinery, and construction applications.
Detailed Product Specifications
- Material: High-carbon steel, stainless steel (Grade 304 and 316), and other alloys upon request.
- Finish: Plain, zinc plated, galvanized, or other corrosion-resistant coatings.
- Standards: Manufactured to conform with ASME/ANSI B18.21.1, DIN 127, and other international specifications.
- Operating Temperature: Performance is stable across a wide range, dependent on material selection.
- Primary Function: To prevent the loosening of fasteners subjected to vibration and thermal cycling.
Standard Sizing Chart for Single Coil Spring Lock Washers
| Nominal Size (Inch) | Inside Diameter (ID) mm | Outside Diameter (OD) mm | Thickness (mm) | Approx. Load Deflection (N/mm) |
|---|---|---|---|---|
| #4 | 3.20 | 6.90 | 0.80 | 25 |
| #6 | 3.68 | 8.10 | 0.80 | 28 |
| #8 | 4.42 | 9.24 | 1.15 | 35 |
| #10 | 5.05 | 10.72 | 1.15 | 40 |
| 1/4" | 6.60 | 12.17 | 1.60 | 55 |
| 5/16" | 8.43 | 15.37 | 1.60 | 60 |
| 3/8" | 10.08 | 18.67 | 2.10 | 75 |
| 1/2" | 13.46 | 24.68 | 2.60 | 95 |
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