S-92217A435 0.188" ID x 0.5" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel, ideal for harsh or humid environments.
• Precise dimensional fit with 0.188" ID and 0.5" OD, ensuring reliable load distribution for No. 8 screws.
• Consistent thickness (0.036-0.045") for uniform pressure and vibration resistance in assemblies.
• Compliance with ASME B18.21.1 guarantees manufacturing consistency and interchangeability.
• RoHS 3 and REACH compliant for safe use in regulated industries and global markets.
• Durable material properties provide long service life without rust or degradation.
• Versatile industrial application across machinery, construction, and electrical enclosures.

Professional Applications & Engineering Value

These 18-8 stainless steel flat washers are engineered to address common industrial challenges such as corrosion, surface damage, and fastener loosening under dynamic loads. The inch-system dimensions and flat washer design ensure a perfect fit for No. 8 screw applications, distributing clamp load evenly to prevent embedding and maintain joint integrity. In demanding sectors like marine, chemical processing, and outdoor equipment, the stainless steel material resists oxidation and chemical exposure, reducing maintenance frequency and downtime. By adhering to ASME B18.21.1, these washers deliver predictable performance in heavy-duty assemblies, enhancing the reliability of bolted connections.

Specification Summary & Compliance

This flat washer meets ASME B18.21.1 specifications for dimensional accuracy, with an inner diameter of 0.188", outer diameter of 0.5", and thickness range of 0.036-0.045". It is manufactured from 18-8 stainless steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring no restricted substances are present. Designed for use with No. 8 screw sizes in inch-based systems, it supports industrial standards for quality and safety.