S-92217A624 4.7 mm ID x 11.8 mm OD ASME B18.22M ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or humid industrial environments.
• Precise dimensional fit with 4.7mm ID and 11.8mm OD, ensuring accurate alignment and load distribution for M4 screws.
• Enhanced assembly durability from a thickness of 1.0-1.4 mm, providing reliable long-term performance under stress.
• Guaranteed interchangeability by conforming to ASME B18.22M standards, facilitating seamless integration into metric assemblies.
• Environmentally responsible manufacturing with full compliance to RoHS 3 and REACH regulations, supporting sustainable procurement.
• Versatile industrial application across machinery, electronics, and construction due to its robust stainless steel material.
• Cost-effective maintenance by reducing wear and preventing loosening in fastened joints, lowering long-term operational costs.

Professional Applications & Engineering Value

This M4 flat washer is engineered from 18-8 stainless steel to address common industrial challenges such as galvanic corrosion, vibration-induced loosening, and load concentration. Its metric dimensions (4.7mm ID, 11.8mm OD) ensure a perfect fit for M4 fasteners, distributing clamp load evenly to prevent surface damage and maintain joint integrity. The flat washer design is critical in applications like machinery assembly, automotive components, and electrical enclosures, where consistent performance under dynamic loads is essential. By utilizing ASME B18.22M compliant washers, engineers achieve reliable, standardized solutions that minimize assembly errors and enhance the lifespan of connected parts, making them a staple in industrial hardware procurement.

Specification Summary & Compliance

This washer features precise metric dimensions: Internal Diameter of 4.7 mm, Outer Diameter of 11.8 mm, and Thickness ranging from 1.0 to 1.4 mm, designed for use with M4 screw sizes. It is manufactured in accordance with ASME B18.22M specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for hazardous substances.