S-98687A115 15.5 mm ID x 28 mm OD DIN 126; ISO 7091 General Purpose Washers

Key Features & Benefits at a Glance

• Enhanced load distribution with 28mm outer diameter to prevent surface damage and material embedding
• Precise M14 screw compatibility through 15.5mm inner diameter for secure, vibration-resistant fastening
• Superior durability achieved through Rockwell B52 hardness steel construction
• International compliance assurance with DIN 126 and ISO 7091 manufacturing standards
• Optimal thickness tolerance (2.2-2.8mm) for consistent performance across industrial applications
• Environmental regulation compliance meeting RoHS 3 and REACH requirements for global supply chain integration
• Corrosion-resistant steel material ensuring long-term reliability in demanding environments

Professional Applications & Engineering Value

This M14 flat washer delivers exceptional engineering value through its precision-metric dimensions and high-grade steel construction. The washer's optimized 15.5mm ID and 28mm OD create an ideal bearing surface that distributes clamping forces evenly, preventing joint loosening under vibration and thermal cycling. Manufactured to DIN 126 and ISO 7091 standards, these metric washers provide reliable performance in heavy machinery, automotive assemblies, and structural steel connections where consistent thickness (2.2-2.8mm) ensures proper preload maintenance. The Rockwell B52 hardness rating guarantees resistance to deformation under extreme loads, making these industrial flat washers essential components for engineers seeking durable fastening solutions that withstand prolonged operational stress.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 15.5mm inner diameter, 28mm outer diameter, and controlled thickness range of 2.2-2.8mm. Manufactured in compliance with DIN 126 and ISO 7091 international standards, ensuring dimensional accuracy and performance consistency. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for global industrial applications requiring certified components.