S-98029A032 0.469" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Corrosion-resistant black-oxide steel extends service life in harsh industrial environments, reducing replacement frequency and maintenance costs.
• Precise 0.469" inner diameter ensures secure fit and optimal alignment with 7/16" screws, minimizing installation errors and improving assembly efficiency.
• 1" outer diameter design provides superior load distribution, preventing surface damage and fastener loosening under high-stress conditions.
• 0.105-0.130" thickness range offers reliable vibration resistance and stability, maintaining joint integrity in dynamic applications.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence, supporting sustainable procurement and global supply chain requirements.
• Heavy-duty steel construction delivers exceptional durability and strength, ideal for demanding mechanical and structural fastening tasks.
• Inch system compatibility simplifies sourcing and integration with standard imperial fastener systems, reducing project delays and inventory complexity.

Professional Applications & Engineering Value

This black-oxide steel flat washer is engineered to address critical challenges in industrial assembly, such as corrosion-induced failure and uneven load distribution. The black-oxide surface treatment provides a protective layer against moisture and chemicals, making it suitable for automotive, machinery, and outdoor equipment applications where exposure to harsh elements is common. Its precise dimensions, including the 0.469" ID and 1" OD, ensure consistent performance with 7/16" screws, reducing the risk of bolt shear and joint fatigue. By enhancing vibration resistance and distributing clamping forces evenly, this washer minimizes maintenance downtime and extends the lifespan of connected components, offering reliable engineering value in heavy-duty fastening systems.

Specification Summary & Compliance

This flat washer adheres to standard inch measurement tolerances, with an inner diameter of 0.469", outer diameter of 1", and thickness ranging from 0.105" to 0.130". It is designed for use with 7/16" screw sizes and complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel, as well as REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial applications.