S-91773A170 1-64 x 1/2" 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 thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-lasting fastening
- Optimized drive engagement with Phillips No. 0 drive style, reducing cam-out and ensuring efficient installation
- Precise thread fit with Class 2A UNC coarse threads, providing excellent assembly consistency and vibration resistance
- Full threading along the 1/2" length for maximum grip and load distribution in various material thicknesses
- Compliance with major industry standards including ASME B18.6.3, ensuring dimensional accuracy and interchangeability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 1-64 UNC rounded head Phillips screws provide a robust solution where corrosion resistance and high tensile strength are critical. The 18-8 stainless steel material, enhanced by a passivated finish, significantly extends service life in moist or chemically aggressive settings, reducing maintenance and replacement costs. The coarse UNC thread and Class 2A fit ensure quick assembly with minimal cross-threading risk, while the rounded head design distributes clamping force evenly, protecting sensitive surfaces. Ideal for electronics enclosures, machinery panels, and outdoor equipment, these screws deliver reliable performance under dynamic loads and vibration, supporting efficient production and assembly line operations.
Specification Summary & Compliance
This screw features a 1-64 UNC coarse thread with Class 2A thread fit for standard tolerance and easy assembly. Manufacturing and dimensional accuracy adhere to ASME B18.6.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated markets and environmentally conscious projects.
