S-91860A060 2.2 mm ID x 7 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-7 PH Stainless Steel, ideal for harsh or humid industrial environments.
• High strength and durability with a Rockwell C40 hardness, providing reliable load distribution and long service life.
• Precise dimensional fit with a 2.2mm ID and 7mm OD, ensuring perfect alignment and secure fastening for M2 screws.
• Versatile thickness range from 0.6mm to 1.0mm, offering flexibility for various assembly gap requirements.
• Full regulatory compliance with RoHS 3 and REACH, guaranteeing safety and environmental responsibility in global supply chains.
• Optimized for metric systems, ensuring seamless integration and interchangeability in international engineering projects.
• Superior surface protection inherent to the material, reducing maintenance needs and preventing premature failure.

Professional Applications & Engineering Value

These M2 metric flat washers are precision-engineered from 17-7 PH Stainless Steel to address critical challenges in high-stakes assemblies. The material's excellent stress corrosion cracking resistance and high strength make these washers ideal for applications in aerospace, medical devices, electronics, and precision instrumentation, where failure is not an option. The controlled Rockwell C40 hardness ensures the washer maintains its shape under load, preventing embedding and loss of clamp force. This flat washer design effectively distributes pressure, protects surfaces from damage, and compensates for minor misalignments, enhancing the longevity and reliability of the entire fastened joint in demanding industrial environments.

Specification Summary & Compliance

This washer conforms to standard metric flat washer dimensional expectations with an Inside Diameter (ID) of 2.2mm, Outside Diameter (OD) of 7mm, and a Thickness range of 0.6-1.0mm, designed for an M2 screw size. The component is manufactured from 17-7 PH Stainless Steel and heat-treated to a Rockwell C40 hardness. It 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 use in regulated markets.