S-98687A309 5.3 mm ID x 10 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
- Enhanced corrosion resistance with black oxide steel coating, extending service life in demanding industrial environments.
- Precise dimensional fit for M5 screws with 5.3mm ID and 10mm OD, ensuring secure fastening and load distribution.
- Compliance with DIN 125 and ISO 7089 standards guarantees consistent quality, interchangeability, and reliability in global applications.
- Uniform 1mm thickness (0.9-1.1mm range) provides stable spacing and vibration dampening for assembled components.
- RoHS 3 and REACH compliance ensures environmental safety and meets stringent regulatory requirements for hazardous substances.
- Versatile industrial usability due to metric sizing and robust steel construction, suitable for machinery, automotive, and electrical assemblies.
Professional Applications & Engineering Value
These M5 metric flat washers are engineered from black oxide steel to address common industrial challenges such as corrosion, component misalignment, and fastener loosening under vibration. The DIN 125 and ISO 7089 compliance ensures high dimensional accuracy, allowing for seamless integration in automated assembly lines and precision equipment. The black oxide surface treatment provides a protective layer that reduces rust in humid or outdoor settings, making these washers ideal for automotive frames, machinery bases, and electrical enclosures. By distributing load evenly and preventing surface damage, they enhance the longevity and safety of M5 threaded connections, supporting efficient maintenance and reducing downtime in industrial applications.
Specification Summary & Compliance
This washer features an inner diameter of 5.3mm, outer diameter of 10mm, and thickness of 0.9-1.1mm, conforming to DIN 125 and ISO 7089 standards for dimensional tolerances and flatness. Manufactured from black oxide steel, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety guidelines without the use of restricted substances.
