S-94744A406 0.812" ID x 1.375" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in humid or outdoor environments
• Precise dimensional fit with 0.812" ID and 1.375" OD, ensuring proper load distribution for 3/4" screws
• Enhanced durability from zinc-plated steel construction, suitable for heavy-duty mechanical applications
• Industry-standard compliance with ASME B18.21.1, guaranteeing consistent performance and interchangeability
• Environmental and safety adherence via RoHS 3 and REACH compliance, supporting sustainable procurement
• Reliable load bearing due to uniform thickness (0.090-0.112"), minimizing bolt loosening under vibration
• Broad industrial compatibility for assembly, machinery, and structural uses requiring inch-system components

Professional Applications & Engineering Value

Engineered to address common industrial challenges like corrosion and vibration-induced failure, these zinc-plated steel flat washers provide a robust sealing surface for 3/4" screws. The zinc coating acts as a sacrificial layer, preventing rust in demanding environments such as outdoor equipment, automotive assemblies, and construction frameworks. By conforming to ASME B18.21.1 standards, they ensure precise fit and uniform pressure distribution, reducing the risk of joint fatigue. Ideal for industrial maintenance, machinery fabrication, and structural bolting, these washers enhance longevity and reliability in heavy-duty applications while meeting strict environmental regulations.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.812", outer diameter of 1.375", and thickness range of 0.090-0.112", designed specifically for 3/4" screw sizes in inch measurement systems. Manufactured in accordance with ASME B18.21.1 specifications for dimensional consistency and performance. Compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel alloys and REACH (EC 1907/2006) as of January 17, 2023, ensuring adherence to health and environmental safety standards.