S-91525A336 0.531" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel material, ideal for harsh environments like marine or chemical processing.
• Enhanced load distribution due to precise 1.25" OD and 0.531" ID, reducing surface stress and preventing fastener loosening.
• Excellent durability from Rockwell B68 hardness, ensuring long service life under heavy-duty mechanical loads.
• Reliable dimensional accuracy in inch system, guaranteeing consistent fit for 1/2" screws and simplified assembly.
• Environmental and safety compliance with RoHS 3 and REACH standards, making it safe for regulated industrial applications.
• Versatile thickness range (0.110-0.140") allows for flexibility in gap filling and tension adjustment.
• Wide industrial applicability as a flat washer, providing essential spacing, sealing, and vibration resistance.

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges such as corrosion-induced failure and mechanical wear. Its high chromium and nickel content offers exceptional resistance to pitting and crevice corrosion, making it perfect for demanding applications in marine, chemical, and food processing industries. The precise inch system dimensions (0.531" ID and 1.25" OD) ensure accurate alignment with 1/2" screws, minimizing installation errors and enhancing structural integrity. Combined with a Rockwell B68 hardness, this washer maintains its shape under high pressure, reducing maintenance needs and downtime in heavy-duty machinery and equipment.

Specification Summary & Compliance

This flat washer adheres to standard inch measurement tolerances, with an inner diameter of 0.531", outer diameter of 1.25", and thickness ranging from 0.110" to 0.140". It is designed for use with 1/2" screws and manufactured from 316 stainless steel for reliable performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use.