S-91525A330 0.5" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to premium 316 stainless steel construction
• Exceptional durability and load distribution with Rockwell B68 hardness for long service life
• Precise fit and secure fastening with 0.5" ID specifically designed for 7/16" screw sizes
• Reliable performance in demanding applications with consistent 1" OD and 0.110-0.140" thickness range
• Compliance with strict environmental regulations including RoHS 3 and REACH standards
• Reduced maintenance and replacement costs through excellent material longevity
• Versatile industrial compatibility with inch system measurement for various mechanical assemblies

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver critical engineering value in applications where corrosion resistance and mechanical reliability are paramount. The marine-grade 316 stainless steel composition provides exceptional protection against chloride-induced stress corrosion cracking, making these industrial washers ideal for chemical processing, marine equipment, food processing machinery, and offshore installations. The optimized 1" OD and 0.110-0.140" thickness ensures proper load distribution while preventing surface damage to connected components. With precise 0.5" ID for 7/16" screw sizes, these flat washers maintain bolt tension and prevent loosening under vibration, significantly extending assembly service life in demanding operational conditions.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.5" internal diameter, 1" outer diameter, and thickness range of 0.110-0.140" specifically engineered for 7/16" screw applications. Manufactured from 316 stainless steel with Rockwell B68 hardness rating, these washers comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for international industrial applications.