S-94768A102 4.3 mm ID x 14 mm 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
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh or humid environments.
- Exceptional durability and load distribution with Rockwell B83 hardness, preventing surface damage and fastener loosening.
- Precise fit for M4 screws with a 4.3mm inner diameter, ensuring secure and stable assemblies.
- Broad surface coverage from the 14mm outer diameter, effectively distributing pressure and protecting components.
- Reliable performance in demanding applications due to a robust 2.5-3.4mm thickness range.
- Global environmental compliance meeting RoHS 3 and REACH standards, ensuring safe and sustainable use.
- Interchangeable metric sizing for seamless integration into international engineering projects.
Professional Applications & Engineering Value
This M4 flat washer is engineered from 18-8 stainless steel to solve common industrial challenges like galvanic corrosion, vibration-induced failure, and material degradation. Its metric dimensions (4.3mm ID, 14mm OD) and consistent 2.5-3.4mm thickness provide reliable load distribution, protecting sensitive surfaces and maintaining clamp load in heavy-duty assemblies. The Rockwell B83 hardness ensures the washer resists deformation under stress, making it suitable for automotive, machinery, and outdoor equipment where corrosion resistance and long-term reliability are critical. Its compliance with major environmental regulations further supports its use in global supply chains.
Specification Summary & Compliance
This flat washer conforms to standard metric sizing for M4 screws, with an inner diameter of 4.3mm, outer diameter of 14mm, and thickness ranging from 2.5-3.4mm. Manufactured from 18-8 stainless steel with a hardness of Rockwell B83, it is produced to ensure dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), adhering to strict environmental and safety standards for industrial components.
