S-91166A300 15 mm ID x 28 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments
• Exceptional load distribution from precise 15mm ID and 28mm OD dimensions, preventing surface damage
• Reliable hardness performance with Rockwell B75 rating, maintaining structural integrity under pressure
• Guaranteed dimensional accuracy through compliance with DIN 125 and ISO 7089 standards
• Optimized thickness range (2.3-2.7mm) providing consistent spacing and vibration resistance
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe usage
• Perfect M14 screw compatibility ensuring secure fastening in mechanical assemblies

Professional Applications & Engineering Value

This zinc plated steel flat washer delivers critical engineering solutions for industrial fastening systems where corrosion prevention and consistent performance are paramount. The M14 flat washer design with 15mm internal diameter and 28mm outer diameter creates an optimal bearing surface that distributes clamping forces evenly, preventing joint loosening and surface indentation. Manufactured to DIN 125 and ISO 7089 specifications, these metric flat washers provide reliable dimensional consistency for assembly line efficiency. The zinc plating offers sacrificial protection against rust and corrosion, making these industrial washers ideal for outdoor equipment, machinery, automotive, and construction applications where environmental exposure is a concern. The Rockwell B75 hardness ensures the washer maintains its shape under heavy loads, providing long-term reliability in demanding mechanical fastening scenarios.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 15mm internal diameter, 28mm outer diameter, and 2.3-2.7mm thickness range. Manufactured according to DIN 125 and ISO 7089 standards, ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory adherence for industrial use across global markets.