S-91166A360 37 mm ID x 66 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc plating that extends service life in demanding industrial environments
• Exceptional load distribution thanks to 66mm outer diameter that prevents surface damage and joint loosening
• Precise M36 screw compatibility with 37mm inner diameter ensuring perfect fit and vibration resistance
• Enhanced mechanical strength from Rockwell B75 hardness rating that withstands heavy-duty applications
• Guaranteed dimensional accuracy through compliance with both DIN 125 and ISO 7089 international standards
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe global procurement
• Optimized thickness range (4.4-5.6mm) providing consistent performance under varying compression loads

Professional Applications & Engineering Value

These zinc plated steel flat washers deliver critical engineering solutions for industrial equipment assembly, construction frameworks, and heavy machinery maintenance. The M36 metric sizing combined with DIN 125/ISO 7089 compliance ensures precise fitment in high-stress bolted connections, while the zinc plating provides essential corrosion resistance in humid or chemically exposed environments. The Rockwell B75 hardness maintains structural integrity under sustained vibration and dynamic loading conditions, preventing joint failure in automotive, manufacturing, and infrastructure applications where reliability is paramount.

Specification Summary & Compliance

Manufactured to exact DIN 125 and ISO 7089 dimensional standards with 37mm ID, 66mm OD, and 4.4-5.6mm thickness range. Features Rockwell B75 hardness for consistent mechanical performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.