S-98269A124 5.3 mm ID x 9 mm OD DIN 433 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced durability from Rockwell B75 hardness, ensuring long-term performance under load
• Precise fit for M5 screws with 5.3 mm ID and 9 mm OD, reducing installation errors and improving assembly efficiency
• Reliable load distribution due to consistent 0.9-1.1 mm thickness, minimizing surface damage and loosening
• Compliance with DIN 433 standards, guaranteeing interchangeability and quality in European machinery applications
• Environmentally safe operation with RoHS 3 and REACH compliance, meeting strict regulatory requirements
• Black oxide surface treatment provides added wear resistance and a professional, low-glare finish

Professional Applications & Engineering Value

This M5 metric flat washer delivers exceptional engineering value by addressing common fastening challenges in demanding sectors. Crafted from black oxide 18-8 stainless steel, it combats rust and chemical exposure in automotive, marine, and food processing equipment, where corrosion resistance is critical. The DIN 433 specification ensures dimensional accuracy, preventing misalignment and thread damage during high-vibration use. Its Rockwell B75 hardness maintains shape under pressure, reducing maintenance needs and downtime. Ideal for assembly lines and outdoor machinery, this washer provides a dependable, long-lasting solution that upholds industrial safety and efficiency standards.

Specification Summary & Compliance

This washer features precise dimensions: Inner Diameter 5.3 mm, Outer Diameter 9 mm, and Thickness 0.9-1.1 mm, designed for M5 screw size applications. It conforms to DIN 433 standards for consistent quality and fit. The product is manufactured with 18-8 stainless steel and a black oxide finish, meeting Rockwell B75 hardness for reliable performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety regulations.