S-98687A123 39 mm ID x 66 mm OD DIN 126; ISO 7091 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced load distribution with 39mm ID and 66mm OD for superior surface coverage and reduced risk of fastener loosening
• Premium steel construction ensures excellent corrosion resistance and long-term reliability in demanding environments
• Rockwell B52 hardness rating provides exceptional durability and resistance to deformation under high pressure
• 4.0-6.0mm thickness range offers flexibility for precise spacing and vibration dampening requirements
• DIN 126 and ISO 7091 compliance guarantees dimensional accuracy and interchangeability in metric applications
• RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance for global industrial use
• Optimized for M36 screw sizes delivering perfect fit and reliable performance in heavy-duty assemblies

Professional Applications & Engineering Value

This M36 metric steel flat washer delivers critical engineering solutions for industrial applications where vibration resistance and load distribution are paramount. Manufactured from high-grade steel with Rockwell B52 hardness, it effectively prevents surface damage and fastener embedding in machinery, structural steel connections, and heavy equipment assemblies. The precise 39mm ID and 66mm OD dimensions ensure optimal force distribution across contact surfaces, significantly reducing stress concentrations that lead to material fatigue. Compliant with DIN 126 and ISO 7091 standards, these flat washers provide reliable performance in automotive, construction, and manufacturing applications where metric fastener systems require consistent, standardized components for maintenance and assembly operations.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications with 39mm inner diameter, 66mm outer diameter, and 4.0-6.0mm thickness range. Manufactured to DIN 126 and ISO 7091 standards for dimensional accuracy and interchangeability. The steel construction with Rockwell B52 hardness ensures mechanical performance under load. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for industrial applications with strict chemical substance restrictions.