S-90068A045 0.42" ID x 1.25" OD Finishing Washers
Finishing Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Perfect Flush Mounting with 82° countersink angle for seamless surface integration and reduced snagging risks
- Enhanced Corrosion Resistance through nickel-plated steel construction for extended service life in demanding environments
- Precision Fit Guarantee with 0.42" inner diameter ensuring secure seating on 3/8" screws without play
- Superior Load Distribution from 1.25" outer diameter design that minimizes surface pressure and material stress
- Regulatory Compliance Ready meeting RoHS 3 and REACH standards for global industrial applications
- Dimensional Consistency with inch-system manufacturing ensuring reliable interchangeability in assembly lines
- Optimized Height Profile at 0.26" overall height maintaining low-profile installations without compromising strength
Professional Applications & Engineering Value
Engineered for flush-mounting applications where protrusion-free surfaces are critical, these nickel-plated steel countersunk washers solve common industrial fastening challenges. The precise 82° countersink angle matches standard screw heads perfectly, eliminating gaps that could trap moisture or debris while maintaining aerodynamic and aesthetic surfaces. In machinery assembly, automotive manufacturing, and structural frameworks requiring 3/8" screw compatibility, the combination of corrosion-resistant plating and inch-system dimensions ensures reliable performance where vibration resistance and long-term durability are paramount. The 1.25" OD provides substantial bearing surface to prevent embedding in softer materials, making these washers ideal for repeated disassembly and maintenance cycles.
Specification Summary & Compliance
Manufactured to standard inch dimensions with 0.42" ID and 1.25" OD for consistent fit with 3/8" fasteners. Features 82° countersink angle conforming to industry standards for flush mounting applications. Constructed from nickel-plated steel for enhanced surface protection. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial components.
