S-91771A201 8-32 x 1 1/4" 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 passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength rated at 80,000 psi for reliable, long-lasting fastening performance
- Precise Class 2A thread fit ensures smooth installation and consistent engagement in UNC coarse thread applications
- Standard 82° countersink angle provides flush mounting and clean aesthetic finish
- Full threading design offers maximum grip length and superior holding power
- Phillips No. 2 drive enables efficient installation with common tools while reducing cam-out risk
- Rockwell B80 hardness maintains structural integrity under repeated stress and vibration
Professional Applications & Engineering Value
These 8-32 UNC flat head Phillips screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and structural reliability are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against rust and chemical degradation, making these fully threaded screws ideal for machinery, electrical enclosures, and outdoor equipment. The coarse thread design ensures rapid installation in various materials while the standard 82° countersink angle creates seamless flush mounting surfaces. Engineered to withstand vibration and mechanical stress, these industrial screws maintain their clamping force and integrity in the most challenging operating conditions.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision engagement. Features 8-32 UNC coarse threads with right-hand orientation and full threading along the 1-1/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries. The flat head profile and Phillips No. 2 drive conform to industry standards for consistent performance and compatibility.
