S-91253A187 8-32 x 9/16" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive 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
- Exceptional durability with Black-Oxide Alloy Steel construction providing superior corrosion resistance and long service life
- Maximum load-bearing capability thanks to 130,000 psi tensile strength and Rockwell C39 hardness for demanding applications
- Precise thread engagement with Class 3A thread fit ensuring reliable fastening in critical assemblies
- Efficient installation through 3/32" hex drive design allowing quick torque application and reduced assembly time
- Optimal flush mounting with standard flat head profile and 82° countersink angle for seamless surface finishes
- Enhanced thread engagement through coarse UNC threading providing superior holding power in various materials
- Regulatory compliance assurance meeting ASTM F835 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver exceptional engineering value in industrial applications where high tensile strength and precise thread fit are critical. The Black-Oxide Alloy Steel construction provides superior corrosion resistance while maintaining the 130,000 psi tensile rating necessary for heavy-duty assemblies. The fully threaded design with coarse thread spacing ensures maximum holding power in materials ranging from metals to composites, while the 82° countersink angle and standard flat head profile create seamless surface finishes. The 3/32" hex drive facilitates efficient installation in confined spaces, making these industrial screws ideal for machinery, equipment manufacturing, and structural applications requiring Class 3A thread precision and reliable performance under stress.
Specification Summary & Compliance
These screws maintain Class 3A thread fit precision with UNC coarse threading and right-hand thread direction. Manufacturing complies with ASTM F835 specifications for quality assurance. Environmental compliance includes RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant status, ensuring adherence to international regulatory standards for hazardous substance restrictions.
