S-91080A111 Easy-Install Slotted Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in harsh environments.
• Enhanced load distribution from the 1.25" outer diameter, protecting surfaces and reducing stress on assemblies.
• Secure anti-rotation locking provided by the 1" slot depth and 21/32" slot width, ensuring stable fastener positioning.
• Exceptional durability with a Rockwell B68 hardness rating, resisting deformation under heavy-duty use.
• Reliable compatibility with 5/8" screws in inch-system applications, ensuring precise fit and function.
• Environmental responsibility through compliance with RoHS 3 and REACH standards, safe for regulated industries.
• Optimized for industrial use with consistent thickness (0.084-0.097"), providing reliable spacing and vibration resistance.

Professional Applications & Engineering Value

This slotted washer is engineered to solve critical challenges in industrial and construction settings, where vibration loosening and material degradation are common. The 18-8 Stainless Steel material offers excellent resistance to rust and chemical exposure, making it ideal for outdoor, marine, or chemical processing applications. The precise slot width and depth ensure the washer stays securely in place, preventing rotation that can lead to assembly failure. Its heavy-duty design and Rockwell B68 hardness provide reliable performance under high stress, reducing maintenance needs and downtime. By integrating this component, engineers achieve longer service life and enhanced safety in machinery, structural frameworks, and equipment requiring 5/8" screw fastening in the inch system.

Specification Summary & Compliance

This washer meets standard dimensional tolerances for inch-system components, with an OD of 1.25", thickness range of 0.084-0.097", slot width of 21/32", and slot depth of 1", designed specifically for 5/8" screw size. It is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B68, ensuring consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for industrial use.