S-91500A321 8-32 x 1 3/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head 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 with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term fastening
- Precision thread engagement with Class 2A fit and UNC coarse threads ensuring easy installation and vibration resistance
- Flush mounting capability featuring a standard flat head with 82° countersink angle for smooth, unobtrusive surface finishes
- Broad compliance coverage meeting ASME B18.6.3 specifications, RoHS 3, and REACH for global regulatory acceptance
- Optimized drive performance with Phillips No. 2 drive providing secure torque transfer and reduced cam-out risk
- Full-threaded design delivering maximum grip length and holding power across the entire 1 3/4" shaft
Professional Applications & Engineering Value
Engineered for demanding environments, these 8-32 UNC flat head screws in 316 stainless steel address critical challenges in industrial assembly. The passivated finish significantly enhances corrosion resistance against chemicals and moisture, making them suitable for marine, chemical processing, and food equipment applications. The fully threaded coarse UNC thread design ensures rapid installation and superior pull-out resistance in soft materials and sheet metal. With Phillips drive compatibility, they enable efficient high-volume assembly while maintaining flush surface profiles essential for aesthetic and safety-critical components. These screws provide reliable fastening solutions where vibration resistance, environmental durability, and regulatory compliance are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerances and UNC coarse threading. Complies with ASME B18.6.3 mechanical and dimensional specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. Right-hand threaded with standard 82° countersink angle and fully threaded 1 3/4" length.
