S-94316A540 13 mm ID x 37 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 extending service life
• Superior mechanical strength and durability provided by Rockwell B91 hardness, preventing deformation under high loads
• Precise fit and reliable load distribution ensured by the 13mm ID and 37mm OD, perfectly sized for M12 screws
• Guaranteed dimensional accuracy and interchangeability through compliance with DIN 9021 and ISO 7093 standards
• Enhanced safety and environmental responsibility with full RoHS 3 and REACH compliance, meeting strict EU regulations
• Consistent performance and thickness with a controlled 2.7-3.3 mm profile for uniform clamping force
• Versatile metric sizing for seamless integration into global engineering projects and maintenance schedules

Professional Applications & Engineering Value

This M12 flat washer is engineered with Bumax 88 stainless steel to address critical challenges in demanding applications. Its high Rockwell B91 hardness ensures it resists wear and maintains clamp load in high-vibration environments like heavy machinery, construction, and marine equipment. The DIN 9021 and ISO 7093 compliance guarantees precise dimensions and reliable performance, preventing loosening and surface damage. The superior corrosion resistance makes it ideal for chemical processing, offshore, and food industry applications, reducing maintenance frequency and lifecycle costs. This metric washer delivers long-term reliability where failure is not an option.

Specification Summary & Compliance

This flat washer features an Inside Diameter (ID) of 13 mm, Outside Diameter (OD) of 37 mm, and a Thickness of 2.7-3.3 mm, designed for M12 screw size. It conforms to DIN 9021 and ISO 7093 standards, ensuring precise dimensional tolerances. The washer is manufactured from Bumax 88 Stainless Steel with a hardness of Rockwell B91. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for regulated industrial and international markets.