S-91455A470 15 mm ID x 28 mm OD DIN 125; ISO 7089 General Purpose Washers
General Purpose Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-flake coating, extending service life in harsh industrial environments
- Exceptional hardness (Rockwell B91) for reliable load distribution and reduced fastener fatigue
- Precise dimensional accuracy with 15mm ID and 28mm OD ensuring perfect fit for M14 screws
- International standard compliance (DIN 125 and ISO 7089) guarantees interchangeability and quality assurance
- Environmental regulation compliance with RoHS 3 and REACH standards for safe, sustainable operations
- Optimized thickness (2.3-2.7mm) providing consistent surface pressure and vibration resistance
- Heavy-duty steel construction delivering long-term reliability in high-stress applications
Professional Applications & Engineering Value
This M14 zinc-flake coated steel flat washer addresses critical engineering challenges in industrial fastening systems. The zinc-flake coating provides exceptional protection against corrosion and chemical exposure, making it ideal for automotive assembly, machinery manufacturing, and outdoor infrastructure projects where environmental factors compromise fastener integrity. Its Rockwell B91 hardness ensures maintained clamping force under dynamic loads, preventing loosening in vibrating equipment. Compliant with DIN 125 and ISO 7089 standards, this metric flat washer offers precise dimensional stability (15mm ID/28mm OD) for perfect alignment with M14 screws, eliminating installation errors and reducing maintenance downtime in production lines and heavy equipment applications.
Specification Summary & Compliance
Manufactured to DIN 125 and ISO 7089 dimensional standards with precise internal diameter (15mm), outer diameter (28mm), and thickness (2.3-2.7mm) tolerances. The washer meets Rockwell B91 hardness requirements for consistent performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance in global markets.
