S-98023A117 0.406" ID x 0.812" OD ASME B18.21.1 General Purpose Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with precise 0.406" ID and 0.812" OD dimensions to prevent surface damage and loosening under high stress
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh industrial environments
• High-strength performance with Grade 8 classification and Rockwell C38 hardness for demanding applications
• Reliable dimensional consistency manufactured to ASME B18.21.1 specifications for perfect fit with 3/8" fasteners
• Enhanced durability with steel construction maintaining integrity under repeated loading cycles
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe global industrial use
• Optimized thickness range (0.051-0.080") providing ideal compression and spacing for various assembly requirements

Professional Applications & Engineering Value

These Grade 8 flat washers deliver critical engineering solutions where high-strength fastening and corrosion resistance are paramount. The zinc yellow-chromate plated steel construction provides superior protection against environmental degradation, making them ideal for outdoor equipment, automotive assemblies, and heavy machinery exposed to moisture and chemicals. With Rockwell C38 hardness and precise dimensional control per ASME B18.21.1, these 3/8" washers prevent bolt embedding, distribute clamping forces evenly, and maintain joint integrity under extreme vibration and load conditions. Their inch-system compatibility ensures seamless integration with existing industrial fastening systems while the regulatory compliance guarantees suitability for global supply chains.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 standards with precise dimensional tolerances: 0.406" inner diameter, 0.812" outer diameter, and thickness range of 0.051-0.080". These Grade 8 flat washers feature zinc yellow-chromate plated steel construction with Rockwell C38 hardness for optimal strength characteristics. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and unrestricted international industrial application.