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Product Overview
The Imperial Spring Washer is a split lock washer tailored for use with inch-series fasteners. It creates spring-loaded tension in bolted connections to counteract loosening from vibration, ensuring a stable clamping force in imperial-standard assemblies.
Key Features
Designed for use with UNC/UNF and other inch-sized fasteners.
Split helical structure provides anti-loosening spring tension.
Manufactured to imperial standards for precise dimensional compatibility.
Available in multiple materials for diverse environmental conditions.
Simple installation for quick integration into inch-based systems.
| Size Range | M2–M48 / #4"–1 1/2" (custom sizes available) |
| Standards | DIN 127 / DIN 7980 / GB/T 93 |
| Type | Single coil spring washer (standard/light/heavy series) |
| Material | Spring Steel (65Mn) / Stainless Steel 304 / 316 |
| Surface Finish | Plain / Zinc Plated / Black Oxide / Passivated |
| Hardness | HRC 40–50 (spring steel) |
| Operating Temperature | -40°C ~ 200°C (material-dependent) |
| Application | Anti-loosening, vibration-resistant assemblies, machinery |
Applications
Aerospace components, automotive manufacturing, heavy machinery, and equipment using imperial fastener standards.
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