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Product Overview
The USS/SAE Flat Washer is manufactured to U.S. Standard (USS) and Society of Automotive Engineers (SAE) specifications, ensuring compatibility with American standard fasteners. It offers precise dimensional control for reliable performance in industrial and automotive assemblies.
Key Features
Compliant with USS and SAE standards for exact fit with inch-sized fasteners.
Two distinct series available: wider USS and precision SAE designs.
Evenly spreads clamping force to protect metal and painted surfaces.
Made from durable steel grades with optional corrosion-resistant finishes.
Engineered for consistent performance in automotive, industrial, and structural applications.
| Size Range | M1.6–M64 / #4"–3" (custom sizes available) |
| Standards | DIN 125 / DIN 9021 / ISO 7089 / ISO 7090 / ASTM F436 |
| Type | Standard/large/extra large/thick flat washer |
| Material | Carbon Steel / Stainless Steel 304 / 316 / Brass / Copper |
| Surface Finish | Plain / Zinc Plated / HDG / Black Oxide / Nickel Plated |
| Hardness | HRB 70–150 (grade-dependent) |
| Operating Temperature | -40°C ~ 250°C (material-dependent) |
| Application | Distribute load, prevent surface damage, and general fastener assemblies |
Applications
Automotive manufacturing, heavy equipment assembly, industrial machinery, and projects using U.S. standard fastener systems.
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