S-90474A151 0.812" ID x 1.375" OD ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with galvanized steel construction, ensuring long-lasting performance in harsh industrial environments.
• Precise dimensional fit with 0.812" inner diameter and 1.375" outer diameter, designed for reliable compatibility with 3/4" screws.
• Enhanced load distribution due to the flat washer design, reducing surface pressure and preventing damage to assembled materials.
• Consistent hardness and durability with Rockwell B80 rating, providing reliable mechanical strength under stress.
• Compliance with environmental standards, meeting RoHS 3 and REACH regulations for safe and sustainable use in global markets.
• Versatile thickness range from 0.080" to 0.120", accommodating various assembly tolerances and application needs.
• Heavy-duty performance in inch measurement system, ideal for industrial machinery, construction, and equipment maintenance.

Professional Applications & Engineering Value

This galvanized steel flat washer is engineered to address common industrial challenges such as corrosion, vibration loosening, and surface wear. The zinc coating provides a protective barrier against moisture and chemicals, extending service life in outdoor or corrosive settings like construction, automotive, and marine applications. With precise 0.812" ID and 1.375" OD dimensions, it ensures secure fastening for 3/4" screws, distributing loads evenly to prevent joint failure. The Rockwell B80 hardness and consistent thickness range (0.080-0.120") offer reliable performance in heavy-duty assemblies, reducing maintenance needs and enhancing operational safety. Ideal for machinery, structural frameworks, and equipment requiring corrosion-resistant washers, this product delivers dependable engineering value across various sectors.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.812", outer diameter of 1.375", and thickness range of 0.080-0.120", designed for use with 3/4" screw sizes in the inch measurement system. It maintains high dimensional accuracy and is manufactured from galvanized steel with a Rockwell B80 hardness for consistent performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for industrial applications requiring environmental and safety standards.