S-98038A265 0.531" ID x 1.062" OD ASTM F436 Type 1 Structural Washers

Key Features & Benefits at a Glance

• Superior Load Distribution – The precise 1.062" OD and 0.531" ID ensure even pressure spread, reducing stress and preventing surface damage in heavy-duty assemblies.
• Exceptional Durability – Made from high-strength steel with Rockwell C38 hardness, this washer withstands high loads and resists deformation under extreme conditions.
• Reliable Corrosion Resistance – Steel construction offers inherent protection against rust, extending service life in demanding industrial environments.
• Industry-Standard Compliance – Meets ASTM F436 Type 1 specifications, guaranteeing consistent performance and interchangeability in professional applications.
• Precision Fit for 1/2" Screws – Accurate inner diameter ensures secure fastening, minimizing play and vibration in mechanical joints.
• Environmental & Safety Assurance – RoHS 3 and REACH compliant, making it safe for use in regulated industries without hazardous substance concerns.
• Versatile Inch System Compatibility – Designed for inch-based assemblies, this flat washer integrates seamlessly with standard 1/2" screw sizes across various equipment.

Professional Applications & Engineering Value

This ASTM F436 Type 1 steel flat washer is engineered to address critical challenges in industrial fastening, such as uneven load distribution and joint failure. Its robust steel material and Rockwell C38 hardness provide exceptional resistance to wear and compression, making it ideal for heavy machinery, structural frameworks, and automotive assemblies where vibration and dynamic loads are common. The precise 0.531" ID and 1.062" OD ensure a perfect fit for 1/2" screw size applications, enhancing stability and reducing maintenance needs. By offering reliable corrosion resistance and compliance with international standards, this washer delivers long-term performance in construction, manufacturing, and engineering projects requiring precision washers.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.531", outer diameter of 1.062", and thickness ranging from 0.097" to 0.177", designed specifically for 1/2" screw sizes. It conforms to ASTM F436 Type 1 standards, ensuring high dimensional accuracy and mechanical properties. The washer is manufactured from steel with a hardness of Rockwell C38 and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental responsibility in industrial use.