S-90313A205 0.265" ID x 0.875" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh or humid environments.
• Precise fit for 1/4" screws with a 0.265" inner diameter, providing secure fastening and reducing the risk of misalignment.
• Optimal load distribution from the 0.875" outer diameter, minimizing surface damage and material stress under bolt heads or nuts.
• Consistent performance with a controlled thickness range of 0.056" to 0.071", ensuring uniform spacing and vibration resistance.
• Environmental and regulatory compliance with RoHS 3 and REACH standards, making them safe for global industrial and commercial use.
• Durable and maintenance-free material properties, eliminating the need for coatings and reducing lifecycle costs.
• Broad compatibility with inch-system fasteners, ideal for machinery, equipment, and structural assemblies requiring reliable, corrosion-resistant washers.

Professional Applications & Engineering Value

Engineered for demanding applications, these 18-8 stainless steel flat washers provide critical protection against galvanic corrosion and wear in industrial settings. The precise 0.265" ID and 0.875" OD ensure a snug fit on 1/4" screws, distributing clamp load effectively to prevent joint loosening and surface indentation. With a consistent thickness range of 0.056-0.071", they maintain alignment and spacing in assemblies exposed to vibration, such as machinery, automotive components, and outdoor structures. The stainless steel material offers excellent resistance to chemicals and moisture, making these washers ideal for food processing, marine, and chemical handling equipment where hygiene and durability are paramount.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.265", outer diameter of 0.875", and thickness range of 0.056-0.071", designed specifically for use with 1/4" screws in inch measurement systems. Manufactured from 18-8 stainless steel, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.