S-90486A103 10.5 mm ID x 20 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc-flake coating that withstands harsh industrial environments
• Precise dimensional accuracy with 10.5mm ID and 20mm OD ensuring perfect fit for M10 screws
• Exceptional mechanical strength from Rockwell B76 hardness steel core for reliable load distribution
• Industry-standard compliance meeting both DIN 125 and ISO 7089 specifications for global acceptance
• Enhanced durability with 1.8-2.2mm thickness providing optimal surface pressure resistance
• Environmental compliance with RoHS 3 and REACH regulations for sustainable manufacturing
• Versatile application readiness for machinery, equipment assembly, and structural fastening systems

Professional Applications & Engineering Value

This M10 flat washer delivers critical engineering value through its zinc-flake coated steel construction, specifically designed to address common industrial fastening challenges. The advanced surface treatment provides superior corrosion resistance that outperforms conventional zinc plating in high-humidity or chemical exposure environments. Engineered to DIN 125 and ISO 7089 standards, these washers ensure precise dimensional stability that prevents loosening under vibration and maintains consistent clamping force in heavy-duty applications. The optimized thickness range (1.8-2.2mm) provides ideal stress distribution while preventing material deformation under high torque conditions, making them essential components in machinery assembly, structural steel connections, and automotive manufacturing where reliable fastening solutions are critical for operational safety and longevity.

Specification Summary & Compliance

This metric flat washer features precise dimensional tolerances per DIN 125 and ISO 7089 standards with 10.5mm inner diameter, 20mm outer diameter, and 1.8-2.2mm thickness range. Manufactured from zinc-flake coated steel with Rockwell B76 hardness, the product maintains strict compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications requiring verified material safety and performance reliability.