S-92217A440 0.203" ID x 0.406" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• Precise dimensional fit with 0.203" ID and 0.406" OD ensures perfect alignment and load distribution for No. 10 screws
• Consistent performance guaranteed by adherence to ASME B18.21.1 standards for dimensional accuracy and quality
• Enhanced surface protection with a thickness range of 0.036-0.045" to prevent galling and distribute pressure evenly
• Environmental compliance with RoHS 3 and REACH regulations, ensuring safe use in global industrial supply chains
• Versatile industrial application due to inch system measurements, compatible with a wide range of machinery and equipment
• Reliable mechanical performance from flat washer design, reducing loosening and maintaining joint integrity under vibration

Professional Applications & Engineering Value

These 18-8 stainless steel flat washers are engineered to address critical challenges in industrial assembly, such as corrosion in moist or chemical-exposed environments and vibration-induced fastener failure. The precision inch dimensions (0.203" ID x 0.406" OD) ensure a snug fit for No. 10 screws, minimizing misalignment and distributing clamp load effectively to prevent surface damage. Made from durable stainless steel, they resist rust and wear, extending service life in applications like machinery, electrical enclosures, and outdoor structures. Compliance with ASME B18.21.1 guarantees consistent quality, while RoHS and REACH adherence makes them suitable for regulated industries, providing reliable performance without environmental concerns.

Specification Summary & Compliance

This flat washer meets ASME B18.21.1 specifications for dimensional standards, with an inner diameter of 0.203", outer diameter of 0.406", and thickness between 0.036-0.045". It is designed for use with No. 10 screw sizes in inch measurement systems. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial and international trade applications.