S-98049A111 0.125" ID x 0.312" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 17-4 PH stainless steel material, ideal for harsh industrial environments.
• Exceptional mechanical strength and durability due to Rockwell C40 hardness, reducing wear and deformation.
• Precise dimensional fit with 0.125" ID and 0.312" OD, ensuring reliable performance for No. 4 screw assemblies.
• Long-term reliability in high-stress applications, thanks to the material's high strength-to-weight ratio.
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe and sustainable use.
• Consistent performance in inch system measurements, facilitating easy integration into standard designs.
• Enhanced load distribution as a flat washer, minimizing surface damage and loosening in fastened joints.

Professional Applications & Engineering Value

This 17-4 PH stainless steel flat washer is engineered to address common industrial challenges such as corrosion, mechanical stress, and regulatory compliance. Made from precipitation-hardening stainless steel, it offers excellent resistance to corrosive elements, making it suitable for applications in aerospace, marine, and chemical processing industries. The precise 0.125" ID and 0.312" OD dimensions ensure a secure fit for No. 4 screw sizes, preventing misalignment and improving assembly integrity. With Rockwell C40 hardness, it withstands high loads and repetitive use, reducing maintenance needs. Its compliance with RoHS 3 and REACH standards ensures it meets global environmental and safety requirements, providing peace of mind for engineers and procurement specialists in B2B industrial hardware sourcing.

Specification Summary & Compliance

This flat washer features precise inch system measurements with an inner diameter of 0.125", outer diameter of 0.312", and thickness ranging from 0.068" to 0.088". It is manufactured from 17-4 PH stainless steel with a hardness of Rockwell C40, ensuring dimensional accuracy and durability. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for various industrial applications.