S-93286A058 0.812" ID x 1.5" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with lightweight aluminum construction, ideal for reducing overall assembly weight without sacrificing performance.
• Precise fit for 3/4" screws with a 0.812" inner diameter, ensuring secure fastening and minimizing loosening in vibration-prone environments.
• Enhanced load distribution due to the 1.5" outer diameter, which helps prevent surface damage and extends the life of connected components.
• Excellent durability provided by Brinell 95 hardness, offering reliable performance under repeated stress and mechanical loads.
• Consistent thickness control between 0.080" and 0.100", ensuring uniform pressure and stability in various industrial setups.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safe use in environmentally sensitive and global markets.
• Broad compatibility with inch-system fasteners, making it a versatile choice for maintenance, machinery, and structural applications.

Professional Applications & Engineering Value

This aluminum flat washer is engineered to address common industrial challenges such as galvanic corrosion, weight reduction, and consistent clamping force. The aluminum material provides inherent resistance to rust and oxidation, making it suitable for outdoor, marine, and chemical processing equipment where moisture exposure is a concern. Its specific 0.812" ID and 1.5" OD dimensions ensure optimal load spreading for 3/4" screw applications, reducing the risk of joint failure and material fatigue. With a Brinell 95 hardness, it maintains structural integrity under high-pressure conditions, while the precise thickness range supports even stress distribution. Ideal for assembly lines, automotive frames, and electronic enclosures, this washer enhances reliability and longevity in heavy-duty and precision engineering projects.

Specification Summary & Compliance

This flat washer adheres to standard inch measurement tolerances, with an inner diameter of 0.812", outer diameter of 1.5", and thickness ranging from 0.080" to 0.100". It is designed for use with 3/4" screws and manufactured from aluminum with a Brinell 95 hardness for consistent mechanical properties. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC updates, ensuring it meets stringent environmental and safety standards for industrial and international use.