Overview
The cup washer is a specialized type of fastener component designed to provide a secure and stable fastening solution in various industrial applications. Its distinctive cup-shaped design allows it to distribute load evenly around the fastener, reducing surface damage and enhancing joint integrity. Manufactured from high-quality materials such as stainless steel, carbon steel, or brass, the cup washer offers excellent resistance to corrosion, wear, and mechanical stress. Precision stamping and forming processes ensure consistent dimensions and reliable performance, making the cup washer suitable for use in environments where durability and strength are critical. The product’s design also facilitates easy installation and removal, contributing to efficient assembly and maintenance operations.
In terms of applications, the cup washer is widely employed in automotive, aerospace, construction, and machinery industries where secure fastening is essential. Its ability to absorb vibrations and prevent loosening under dynamic loads makes the cup washer a preferred choice for high-vibration settings. Additionally, the cup washer enhances the aesthetic finish of assemblies by concealing fastener heads and providing a neat appearance. The combination of robust materials, precise manufacturing, and functional design ensures that the cup washer delivers consistent performance, reliability, and longevity in demanding industrial environments. This makes the cup washer an indispensable component in achieving secure and durable fastening solutions across a broad spectrum of applications.
| Product Type | Cup Washer |
| Head Style | Concave, Cup-Shaped |
| Manufacturing Process | Stamping and Forming |
| Thread Type | Non-Threaded |
| Common Materials | Steel, Stainless Steel, Brass, Aluminum |
| Available Sizes | #4 to 1 inch (varies by inner diameter and outer diameter) |
| Strength Features | Distributes Load, Prevents Surface Damage, Provides Secure Fit |
| Typical Applications | Electrical Assemblies, Automotive, Furniture, Decorative Fastening |
| Surface Finishes | Zinc Plated, Nickel Plated, Black Oxide, Plain |
| Standards | DIN 6796, ANSI B18.22.1 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Effectively spreads load to prevent surface damage and improve joint stability in bolted connections.
Designed to resist loosening under vibration, ensuring secure fastening in dynamic environments.
Available in materials with coatings or stainless steel options to withstand harsh environments.
Manufactured with high-quality steel for long-lasting performance in demanding applications.
Produced with tight tolerances to ensure consistent fit and function in assemblies.
Compatible with a wide range of bolt sizes and types for diverse industrial uses.
| Product Type | Cup Washer |
|---|---|
| Thread Type | Compatible with metric and imperial bolts |
| Diameter Range | M6 to M30 |
| Length Range | 5 to 25 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM F436, DIN 6797 |
| Surface Finish | Plain, Zinc Plated, Hot-Dip Galvanized |
| Diameter (mm) | Outer Diameter (mm) | Thickness (mm) |
|---|---|---|
| M6 | 12 | 1.5 |
| M10 | 20 | 2.0 |
| M20 | 35 | 3.0 |
| M30 | 50 | 4.0 |