Stainless Steel Washer
Product Introduction
Stainless Steel Washer Product Description A stainless steel washer is a common mechanical sealing and fastening component. Its main functions include providing cushioning between bolts/nuts and connecting parts, protecting surfaces, preventing loosening, and sealing.
Material: Typically made of 304 stainless steel (corrosion-resistant, hygienic) or 316 stainless steel (acid/alkali resistant, suitable for marine/chemical environments).
Surface Finish: Mostly natural finish ; options include polishing, zinc plating, and Dacromet coating.
Applicable Standards: Chinese Standard: GB/T 95 (flat washer), GB/T 93 (spring washer)
International Standard: DIN 125 (flat washer), DIN 127 (spring washer)
American Standard: USS, SAE
Common Types:
● Flat Washer: Increases contact area, prevents loosening, protects workpiece surface.
● Spring Washer: Provides anti-loosening elasticity, suitable for vibrating applications.
● Serrated Washer (internal/external teeth): Provides electrical contact or extra slip resistance.
● Beveled Washer: Used for angled connections on channel steel, I-beams, etc.
Size Range: Inner diameter from M2 to M64 (or larger), thickness according to standard specifications.
Advantages: Corrosion-resistant, high-temperature resistant, high strength, no surface protection required, long service life.
Applications: Machinery, electronics assembly, building curtain walls, marine/vehicles, petrochemical pipelines, outdoor facilities, etc. Let me know if you need detailed parameters (e.g., dimension tables, load values) for a specific type or standard.