S-98029A027 0.281" ID x 0.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel finish, ideal for harsh industrial environments.
• Precise dimensional fit with 0.281" inner diameter and 0.5" outer diameter, ensuring reliable alignment and load distribution.
• Durable construction using steel material, providing long-lasting performance under mechanical stress.
• Compatibility with 1/4" screws, offering versatile fastening solutions across various assemblies.
• Consistent thickness range of 0.064-0.083", allowing for uniform pressure distribution and reduced loosening.
• Compliance with RoHS 3 and REACH regulations, ensuring safe use in regulated industries without harmful substances.
• Easy integration in inch-based measurement systems, simplifying procurement and replacement in global operations.

Professional Applications & Engineering Value

This 1/4" flat washer made from black-oxide steel addresses common industrial challenges such as fastener corrosion and misalignment. The black-oxide surface treatment significantly improves resistance to rust and wear, extending service life in demanding applications like machinery assembly, automotive systems, and outdoor equipment. Its precise 0.281" ID and 0.5" OD ensure a snug fit with 1/4" screws, preventing bolt loosening and distributing loads evenly to protect connected components. By incorporating this flat washer, engineers can enhance the reliability of industrial fastening setups, reduce maintenance costs, and comply with environmental standards for long-term operational efficiency.

Specification Summary & Compliance

This flat washer features standard inch dimensions with an inner diameter of 0.281", outer diameter of 0.5", and thickness ranging from 0.064" to 0.083", designed for use with 1/4" screws. It adheres to common industrial specifications for flat washers and is compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel alloys, as well as REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for global supply chains.