S-91844A220 0.28" ID x 1" OD Curved Washers

Key Features & Benefits at a Glance

• Superior load distribution through curved design, preventing surface damage and maintaining joint integrity in demanding applications
• Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in industrial environments
• Precision dimensional fit with 0.28" ID and 1" OD, providing optimal compatibility with 1/4" screws and 3/4" tubes
• Exceptional durability with Rockwell B40 hardness, offering reliable performance under mechanical stress and vibration
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, making them suitable for global industrial supply chains
• Optimized thickness range (0.050-0.070") allowing for proper compression and secure fastening in various assembly scenarios
• Versatile industrial application designed for inch-system equipment, ensuring seamless integration with existing machinery and components

Professional Applications & Engineering Value

These zinc-plated steel curved washers deliver critical engineering solutions where standard flat washers fail. The curved design specifically addresses common industrial challenges by providing superior load distribution across uneven surfaces and curved interfaces, particularly when working with 3/4" tubes and 1/4" screws. The Rockwell B40 hardness ensures the washer maintains its structural integrity under repeated stress cycles, while the zinc plating offers essential corrosion protection in harsh operating environments. This combination makes them ideal for industrial applications including machinery assembly, structural frameworks, and piping systems where vibration resistance and long-term reliability are paramount. The precise dimensional specifications ensure perfect fitment, reducing installation time and preventing fastener loosening in critical joints.

Specification Summary & Compliance

Manufactured to exact inch system specifications with 0.28" inner diameter and 1" outer diameter, these curved washers maintain dimensional accuracy for reliable performance. The zinc-plated steel construction meets industrial standards for corrosion resistance and mechanical strength. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and suitability for international markets. Designed specifically for use with 1/4" screws and 3/4" tubes, these washers deliver consistent performance across various industrial fastening applications.