S-91253A185 8-32 x 5/32" ASTM F835 Alloy Steel Hex Drive Flat Head Screws
Alloy Steel Hex Drive Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced corrosion resistance with black-oxide coating, extending service life in demanding industrial environments
- Superior installation torque transfer through 3/32" hex drive design, preventing tool slippage and damage
- Precise Class 3A thread fit ensures secure fastening with minimal vibration loosening in machinery assemblies
- Maximum material engagement with fully threaded UNC coarse pattern for improved load distribution
- Flush mounting capability featuring 82° countersink angle and undercut head profile for seamless surface integration
- Exceptional mechanical strength with 130,000 psi tensile rating and Rockwell C39 hardness for heavy-duty applications
- Regulatory compliance assurance meeting ASTM F835, RoHS 3, and REACH standards for global supply chain compatibility
Professional Applications & Engineering Value
Engineered for precision assemblies requiring flush surface mounting, these 8-32 UNC flat head screws solve critical challenges in machinery manufacturing and electronic enclosures. The black-oxide alloy steel construction provides superior corrosion protection while maintaining 130,000 psi tensile strength under dynamic loads. The hex drive configuration delivers maximum torque transmission during installation, preventing cam-out incidents in high-volume production environments. With Class 3A thread fit and fully threaded coarse pattern, these fasteners ensure vibration-resistant connections in automotive components, industrial equipment, and aerospace assemblies where reliability is paramount.
Specification Summary & Compliance
Manufactured to inch system specifications with Class 3A thread fit tolerance for precision assemblies. Complies with ASTM F835 mechanical properties and surface treatment requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. Features 82° countersink angle and undercut head profile per standard flat head screw geometries.
