S-96765A145 0.344" ID x 0.75" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and black-oxide coating, ideal for harsh industrial environments.
• Enhanced load distribution due to precise 0.344" ID and 0.75" OD dimensions, reducing surface stress and extending equipment life.
• Exceptional hardness and durability with Rockwell B68 rating, ensuring reliable performance under repeated use and vibration.
• Wide compatibility with 5/16" screw sizes, providing versatile fastening solutions across various assemblies.
• Strict compliance with environmental standards, including RoHS 3 and REACH, for safe and sustainable industrial applications.
• Consistent thickness tolerance (0.040-0.060") for uniform seating and secure fastening in inch-based systems.
• Cost-effective maintenance by minimizing wear and replacement needs in demanding conditions.

Professional Applications & Engineering Value

This 5/16" flat washer in Black-Oxide 18-8 Stainless Steel addresses critical engineering challenges in industrial settings, such as corrosion-induced failure and component loosening. The black-oxide surface treatment enhances oxidation resistance, making it suitable for outdoor, marine, and chemical exposure applications. Its precise inner and outer diameters (0.344" ID and 0.75" OD) ensure optimal load spreading, preventing bolt head embedment and surface damage on soft materials. Combined with Rockwell B68 hardness, this washer maintains integrity under high stress and temperature variations, reducing downtime in machinery, automotive, and construction assemblies. Engineers value its compliance with RoHS and REACH standards, supporting eco-friendly procurement without sacrificing performance.

Specification Summary & Compliance

This flat washer adheres to inch measurement standards with an ID of 0.344", OD of 0.75", and thickness range of 0.040-0.060", designed for 5/16" screw sizes. Manufactured from 18-8 Stainless Steel with a Rockwell B68 hardness, it ensures dimensional accuracy and mechanical reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting stringent environmental and safety requirements for industrial use.