S-94316A520 8.4 mm ID x 24 mm OD DIN 9021, ISO 7093 Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from Bumax 88 stainless steel, ideal for harsh industrial environments and outdoor applications.
• Superior mechanical strength and durability with a Rockwell B91 hardness rating, preventing deformation under high M8 bolt loads.
• Guaranteed dimensional accuracy and interchangeability through compliance with DIN 9021 and ISO 7093 international standards.
• Reliable load distribution and surface protection with a precise 8.4mm ID and 24mm OD, minimizing stress on fastened components.
• Safe for sensitive applications with full RoHS 3 and REACH SVHC compliance, ensuring no hazardous substances are present.
• Optimized for M8 screw/bolt assemblies, providing a secure and vibration-resistant fastening solution in metric systems.
• Consistent performance and thickness (1.8-2.2 mm) for uniform clamping force and joint integrity.

Professional Applications & Engineering Value

This M8 flat washer is engineered to solve critical challenges in demanding industrial applications. The core value lies in its Bumax 88 stainless steel construction, which offers a unique combination of high strength and outstanding corrosion resistance. This directly addresses the common failure points of standard washers in corrosive or high-stress environments, such as chemical processing, marine equipment, and heavy machinery. By conforming to DIN 9021 and ISO 7093 standards, it ensures perfect fit and function with M8 fastening systems, preventing loosening from vibration and distributing load effectively to protect expensive components from damage and galling. This washer is a fundamental component for engineers seeking long-term reliability and reduced maintenance in their assemblies.

Specification Summary & Compliance

This metric flat washer features an Inside Diameter (ID) of 8.4 mm, Outside Diameter (OD) of 24 mm, and a Thickness of 1.8-2.2 mm, designed specifically for M8 screw size. It is manufactured from Bumax 88 Stainless Steel with a Rockwell B91 hardness. The product is in full compliance with the DIN 9021 and ISO 7093 specifications for dimensional and performance requirements. It is also verified to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant.