S-98025A029 0.281" ID x 0.625" OD 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
- Exceptional load distribution with 0.281" ID and 0.625" OD, preventing surface damage and loosening under high stress.
- Superior corrosion resistance from zinc yellow-chromate plating, ideal for harsh industrial environments.
- High tensile strength with Grade 8 classification and Rockwell C43 hardness, ensuring reliability in heavy-duty applications.
- Precise dimensional stability with thickness of 0.090-0.108", maintaining consistent performance in inch-system assemblies.
- Environmental compliance with RoHS 3 and REACH standards, meeting global regulatory requirements for safe usage.
- Durable material construction using plated steel, offering long-lasting wear resistance and reduced maintenance needs.
- Optimized for 1/4" screws, providing secure fastening in machinery, automotive, and construction setups.
Professional Applications & Engineering Value
This Grade 8 flat washer is engineered to address common industrial challenges such as joint failure and corrosion-induced degradation. Crafted from zinc yellow-chromate plated steel, it delivers robust protection against rust and chemical exposure, extending service life in demanding settings like automotive assemblies, heavy machinery, and structural frameworks. The precise 1/4" screw size compatibility and flat washer design ensure even pressure distribution, minimizing stress concentrations and vibration-induced loosening. By integrating high Rockwell C43 hardness and stringent manufacturing standards, this component reduces downtime and maintenance costs, making it a reliable choice for engineers prioritizing durability and compliance in industrial applications.
Specification Summary & Compliance
This washer adheres to inch-system dimensions with an ID of 0.281", OD of 0.625", and thickness range of 0.090-0.108", ensuring precise fit for 1/4" screws. It meets Grade 8 strength requirements and Rockwell C43 hardness for high-load performance. Compliance includes RoHS 3 (2015/863/EU) with exemption 6(a) for lead in steel alloys and REACH (EC 1907/2006) adherence, confirming environmental and safety standards for industrial use.
