S-98049A125 0.531" ID x 1.125" OD Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-4 PH stainless steel, ideal for harsh environments and extending service life
• Superior load distribution with precise 0.531" ID and 1.125" OD, reducing surface stress and preventing fastener loosening
• Enhanced durability and wear resistance due to Rockwell C40 hardness, maintaining performance under heavy loads
• Reliable dimensional stability with a controlled thickness range of 0.177-0.197", ensuring consistent fit and function
• Broad industrial compatibility designed for 1/2" screw sizes in inch measurement systems, simplifying procurement
• Environmental and regulatory compliance with RoHS 3 and REACH standards, supporting sustainable and safe operations
• Heavy-duty construction for demanding applications, offering long-term reliability and reduced maintenance costs

Professional Applications & Engineering Value

These 17-4 PH stainless steel flat washers are engineered to address critical challenges in industrial applications where corrosion, high stress, and regulatory compliance are paramount. The precise inch dimensions (0.531" ID x 1.125" OD) and robust Rockwell C40 hardness ensure even load distribution and resistance to deformation, minimizing bolt fatigue and joint failure in machinery, construction, and marine environments. The corrosion-resistant properties of 17-4 PH material make these washers ideal for outdoor or chemically exposed settings, reducing replacement frequency and downtime. By integrating RoHS 3 and REACH compliance, they support eco-friendly initiatives without compromising on heavy-duty performance, delivering reliable engineering value across sectors like aerospace, automotive, and heavy equipment manufacturing.

Specification Summary & Compliance

This flat washer adheres to inch system specifications with an inner diameter of 0.531", outer diameter of 1.125", and thickness ranging from 0.177" to 0.197", designed for 1/2" screw sizes. Manufactured from 17-4 PH stainless steel with a Rockwell C40 hardness, it meets high-strength requirements and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.