S-93012A114 0.469" ID x 0.922" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized steel coating, extending service life in humid or outdoor environments
• Exceptional load distribution with 0.922" OD and 0.469" ID, preventing surface damage and maintaining joint integrity
• Consistent dimensional accuracy manufactured to ASME B18.21.1 specifications for reliable fit with 7/16" fasteners
• Enhanced mechanical strength with Rockwell B72 hardness, resisting deformation under high-pressure applications
• Regulatory compliance assurance meeting RoHS 3 standards for safe use in regulated industries
• Versatile thickness range (0.051-0.080") accommodating slight variations in assembly requirements
• Optimized for industrial durability through inch-system manufacturing standards

Professional Applications & Engineering Value

This hot-dipped galvanized steel SAE flat washer delivers critical protection against galvanic corrosion and environmental degradation in industrial fastening systems. The thick zinc coating provides sacrificial anode protection, while the ASME B18.21.1 compliance ensures precise dimensional control for consistent performance in 7/16" screw applications. Engineers specify these washers for heavy-duty equipment, structural assemblies, and outdoor infrastructure where corrosion resistance and reliable load distribution are paramount. The combination of Rockwell B72 hardness and standardized dimensions prevents joint loosening and surface damage in high-vibration environments, making them ideal for automotive, construction, and machinery applications requiring long-term fastener integrity.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 dimensional standards with inner diameter 0.469", outer diameter 0.922", and thickness range 0.051-0.080". Material certification confirms hot-dipped galvanized steel construction with Rockwell B72 hardness. Compliant with RoHS 3 (2015/863/EU) environmental regulations, ensuring restriction of hazardous substances. Designed for use with 7/16" screws in inch-system applications.