S-90377A176 0.5" ID x 1.125" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel with black-oxide coating, ideal for harsh environments and outdoor applications.
• Precise dimensional fit with 0.5" ID and 1.125" OD, ensuring reliable load distribution and secure fastening for 7/16" screws.
• Enhanced durability through consistent 0.050-0.080" thickness, providing stable support and reducing material fatigue.
• Broad industrial compatibility with inch measurement system, suitable for machinery, construction, and equipment assembly.
• Environmental and safety compliance meeting RoHS 3 and REACH standards, ensuring safe use in regulated industries.
• Cost-effective maintenance due to long-lasting stainless steel material, minimizing replacement frequency and downtime.

Professional Applications & Engineering Value

These flat washers are engineered to address common industrial challenges such as corrosion-induced failure and inconsistent load bearing. Made from black-oxide 18-8 stainless steel, they provide excellent protection against rust and chemical exposure, extending service life in demanding settings like marine, automotive, and food processing equipment. The precise inch series dimensions (0.5" ID, 1.125" OD) and controlled thickness ensure uniform pressure distribution, preventing bolt loosening and surface damage. Ideal for 7/16" screw size applications, these washers deliver reliable performance in heavy-duty assemblies, reducing maintenance costs and enhancing operational safety.

Specification Summary & Compliance

This flat washer features an ID of 0.5", OD of 1.125", and thickness range of 0.050-0.080" for use with 7/16" screws, manufactured to standard inch measurement tolerances. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and health safety standards for industrial components.