S-90965A270 31 mm ID x 56 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Precise dimensional fit for M30 screws ensures reliable load distribution and joint stability
• High mechanical durability with a substantial thickness range of 3.7-4.3 mm for long service life
• Guaranteed interchangeability and quality assurance through compliance with DIN 125 and ISO 7089 standards
• Safe for regulated industries with full RoHS 3 and REACH compliance, free from hazardous substances
• Optimal surface coverage with a 56mm OD to protect components and prevent embedding
• Reliable performance in demanding industrial applications from chemical processing to marine equipment

Professional Applications & Engineering Value

This M30 metric flat washer delivers critical engineering value by solving common industrial fastening challenges. Manufactured from 316 stainless steel, it offers exceptional resistance to corrosion from chemicals, saltwater, and extreme temperatures, making it ideal for marine, chemical processing, and food industry applications. The precise flat washer design per DIN 125 and ISO 7089 ensures uniform load distribution, preventing bolt loosening and surface damage under high vibration or dynamic loads. Its robust construction bridges the gap between screw heads and surfaces, enhancing joint integrity and extending the lifespan of assembled components in heavy-duty machinery and structural installations.

Specification Summary & Compliance

This washer features an ID of 31 mm, OD of 56 mm, and thickness of 3.7-4.3 mm, designed for M30 screw sizes with dimensional accuracy per DIN 125 and ISO 7089 standards. It is manufactured from 316 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.