S-90068A009 0.18" ID x 0.531" OD Finishing Washers

Key Features & Benefits at a Glance

• Perfect flush mounting with 82° countersink angle for seamless integration with flat head screws, eliminating protrusions and improving surface aesthetics
• Enhanced corrosion resistance from nickel-plated steel construction, ensuring long-term durability in demanding industrial environments
• Precise dimensional fit with 0.531" OD and 0.18" ID engineered specifically for No. 8 screws, preventing loosening and maintaining assembly integrity
• Superior load distribution across the washer surface, reducing stress concentrations and preventing material deformation
• Easy installation alignment with standardized inch measurements, streamlining assembly processes and reducing labor time
• Versatile industrial compatibility with various applications requiring flush-mounted fastening solutions

Professional Applications & Engineering Value

These nickel-plated steel countersunk washers solve critical engineering challenges in applications where flush surface mounting is essential. The precise 82° countersink angle matches standard flat head screws perfectly, eliminating gaps and protrusions that compromise both safety and appearance. Made from corrosion-resistant nickel-plated steel, these washers maintain their protective properties in harsh environments, preventing galvanic corrosion and extending service life. The exact 0.531" OD and 0.18" ID dimensions ensure optimal load distribution for No. 8 screw applications, reducing stress on joined materials while providing reliable performance in industrial assembly, machinery, and equipment manufacturing where precision flat head installations are required.

Specification Summary & Compliance

Manufactured to standard inch system specifications with precise 82° countersink angle for flat head screw compatibility. Dimensions include 0.531" outer diameter, 0.18" inner diameter, and 0.12" overall height, engineered for No. 8 screw applications. Constructed from nickel-plated steel for enhanced corrosion protection. Products comply with industry standards for dimensional accuracy and material composition, suitable for various industrial and commercial applications requiring reliable flush mounting solutions.