S-91771A192 8-32 x 3/8" 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 passivated 18-8 stainless steel construction for extended service life in harsh environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Optimized installation efficiency through Phillips No. 2 drive design and fully threaded configuration
- Precise thread engagement with Class 2A thread fit ensuring consistent fastening in UNC coarse thread applications
- Flush mounting capability featuring 82° countersink angle and standard flat head profile for seamless surface integration
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and international environmental standards
- Versatile right-hand threading with 8-32 UNC coarse spacing for secure fastening across industrial applications
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver critical engineering solutions where surface flushness and corrosion resistance are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for industrial equipment, machinery assemblies, and outdoor applications. The combination of 80,000 psi tensile strength and Rockwell B80 hardness ensures reliable performance under vibration and dynamic loads. The Phillips No. 2 drive facilitates efficient installation while the fully threaded design maximizes grip length. The 82° countersink angle enables perfect flush mounting in precision components, eliminating protrusions that could interfere with mechanical operations.
Specification Summary & Compliance
Manufactured to exact ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent performance. Features 8-32 UNC coarse threads with right-hand direction and fully threaded configuration. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensions include 3/8" length, 0.312" head diameter, and standard flat head profile with 82° countersink angle.
