S-94744A531 0.812" ID x 1.375" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc plating that extends service life in demanding industrial environments
• Precise dimensional accuracy with 0.812" ID and 1.375" OD ensuring perfect fit for 3/4" screws
• Optimized load distribution through consistent 0.090-0.112" thickness for enhanced joint integrity
• High-strength performance with Grade 5 classification suitable for medium to heavy-duty applications
• Industry-standard compliance meeting ASME B18.21.1 specifications for reliable mechanical performance
• Environmental responsibility with RoHS 3 and REACH compliance for safe, regulated usage
• Durable steel construction providing excellent mechanical properties and long-term reliability

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver exceptional engineering value in industrial fastening systems where corrosion resistance and dimensional precision are critical. The Grade 5 material strength combined with the protective zinc plating creates a robust solution that prevents galvanic corrosion and maintains integrity under vibration and load stress. Engineered specifically for 3/4" screws, these flat washers effectively distribute clamping force across a wider surface area, preventing surface damage and maintaining bolt tension in machinery assembly, structural frameworks, and equipment maintenance applications. The precise 0.812" ID and 1.375" OD dimensions ensure proper alignment and seating, reducing installation time while providing reliable performance in automotive, construction, and manufacturing environments where fastener failure is not an option.

Specification Summary & Compliance

This flat washer features precise dimensional specifications including 0.812" inner diameter, 1.375" outer diameter, and thickness ranging from 0.090" to 0.112" designed specifically for 3/4" screw applications. Manufactured to meet ASME B18.21.1 standards for dimensional accuracy and mechanical properties, these washers carry Grade 5 classification for consistent strength performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors while maintaining the quality and reliability expected in professional fastener applications.