S-90108A413 0.312" ID x 0.75" OD USS Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments.
• Precise USS standard fit for 1/4" screws, providing secure fastening and even load distribution to prevent surface damage.
• Durable material strength from steel, offering consistent performance under mechanical stress without deformation.
• Wide compatibility with inch-based systems, making it ideal for various industrial machinery and equipment assemblies.
• Environmental compliance assurance with RoHS 3 and REACH standards, meeting strict safety regulations for global supply chains.
• Optimized dimensions (0.312" ID x 0.75" OD) for easy installation and reliable spacing in tight-tolerance applications.

Professional Applications & Engineering Value

This USS flat washer in zinc-plated steel is engineered to address common industrial challenges like galvanic corrosion and fastener loosening. Its robust design ensures even pressure distribution, reducing the risk of joint failure in heavy-duty applications such as automotive assemblies, construction frameworks, and machinery mounts. The corrosion-resistant coating extends service life in humid or chemically exposed settings, while adherence to USS standards guarantees precise fit with 1/4" screws. By integrating RoHS and REACH compliance, it supports sustainable manufacturing without compromising on performance, making it a reliable choice for engineers prioritizing durability and regulatory adherence.

Specification Summary & Compliance

This washer features USS standard dimensions with an ID of 0.312" and OD of 0.75", manufactured from zinc-plated steel for consistent quality. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. Designed for use with 1/4" screws in inch-based systems, it meets industrial requirements for reliability and precision.