S-91116A320 2.7 mm ID x 8 mm OD DIN 9021 Oversized Washers
Oversized 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 Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Enhanced durability and load distribution thanks to Rockwell B68 hardness, reducing wear and extending service life
- Precise dimensional fit with 2.7mm ID and 8mm OD, ensuring reliable performance with M2.5 screws
- Consistent thickness control (0.7-0.9mm) for uniform pressure distribution and reduced assembly failures
- Compliance with DIN 9021 standards guarantees interchangeability and quality in metric applications
- Environmental and safety adherence through RoHS 3 and REACH compliance, supporting sustainable operations
- Versatile chemical resistance from the black-oxide finish, protecting against oxidation and degradation
Professional Applications & Engineering Value
This M2.5 flat washer is engineered to address common industrial challenges, such as corrosion-induced failures and inconsistent load bearing. Made from Black-Oxide 18-8 Stainless Steel, it provides exceptional resistance to moisture, chemicals, and high-stress conditions, making it suitable for automotive, electronics, and machinery assemblies. The precise metric dimensions and adherence to DIN 9021 ensure seamless integration with standard M2.5 fasteners, reducing installation errors and maintenance downtime. Its Rockwell B68 hardness and controlled thickness enhance vibration resistance and longevity, offering reliable performance in demanding applications where precision and durability are critical.
Specification Summary & Compliance
This washer meets DIN 9021 specifications for dimensional accuracy, including an ID of 2.7mm, OD of 8mm, and thickness range of 0.7-0.9mm. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use. The material and manufacturing processes align with standard metric requirements, providing consistent quality and reliability.
