S-91773A198 8-32 x 7/8" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance from 18-8 Stainless Steel construction and passivated finish, ideal for harsh environments.
- High tensile strength of 100,000 psi and Rockwell B100 hardness ensure reliable performance under heavy loads.
- Excellent thread engagement with UNC coarse threading and Class 2A fit for quick assembly and vibration resistance.
- Secure and efficient drive provided by the Phillips No. 2 drive, reducing cam-out and tool wear.
- Full threading along the 7/8" length offers maximum grip and adjustability in various material thicknesses.
- Rounded head design provides a finished appearance and reduces surface snagging.
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for guaranteed quality and safety.
Professional Applications & Engineering Value
This 8-32 UNC coarse thread screw is engineered to solve common industrial challenges like material fatigue and environmental degradation. The 18-8 Stainless Steel material, combined with a passivated finish, provides exceptional resistance to rust and chemicals, making it ideal for applications in manufacturing, marine, and food processing equipment where corrosion resistance is critical. The fully threaded design and Class 2A thread fit ensure consistent clamping force and ease of installation in coarse thread applications, reducing the risk of stripping and improving assembly line efficiency. Its rounded head and Phillips drive offer a balance of aesthetic appeal and practical drive performance, suitable for visible assemblies and automated tooling systems.
Specification Summary & Compliance
This screw features precise UNC coarse threads with a Class 2A thread fit for standard tolerance and reliable engagement. It meets ASME B18.6.3 specifications for dimensional accuracy and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and consumer applications.
