S-90068A005 0.125" ID x 0.375" OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with nickel-plated steel construction for extended service life in harsh industrial environments
• Perfect flush mounting achieved through precise 82° countersink angle, eliminating surface protrusions and improving aesthetics
• Optimal load distribution with 0.375" outer diameter providing wider surface area to prevent material damage
• Precise screw alignment ensured by 0.125" inner diameter specifically designed for No. 4 screws
• Enhanced durability through robust steel core material capable of withstanding repeated assembly cycles
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use across global markets
• Versatile compatibility with inch-system fastening applications requiring reliable countersunk solutions

Professional Applications & Engineering Value

These 82° countersunk washers deliver critical engineering value by solving common industrial fastening challenges. The nickel-plated steel construction provides essential corrosion resistance in demanding environments where moisture and chemicals are present. The precisely engineered 82° countersink angle ensures perfect flush mounting with standard screw heads, eliminating protrusions that could interfere with moving parts or create safety hazards. With dimensional accuracy tailored for No. 4 screws, these washers prevent misalignment during assembly while distributing clamping force effectively across the 0.375" diameter. Ideal for industrial applications requiring reliable fastening in electronics, machinery, and automotive assemblies where both performance and regulatory compliance are mandatory.

Specification Summary & Compliance

Manufactured to precise inch-system dimensions with 0.125" inner diameter and 0.375" outer diameter, these washers feature standard 82° countersink angle for compatibility with common fastener systems. The components maintain dimensional accuracy suitable for Class 2A thread fit applications and comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across international markets while meeting industrial fastener standards for quality and reliability.