S-94414A198 8-32 x 3/4" ASME B18.3, ASTM F835 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating on alloy steel for extended service life in harsh environments
• Exceptional torque transmission through Torx Plus IP20 drive system, minimizing cam-out and tool wear
• High-reliability thread engagement with Class 3A fit ensuring precise, secure fastening in critical applications
• Maximum load-bearing capacity from 140,000 psi tensile strength and Rockwell C39 hardness
• Optimized flush mounting with 82° countersink angle and standard flat head profile for seamless surface integration
• Full-thread coverage along the 3/4" length provides consistent clamping force across the entire fastener
• Industry compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These 8-32 UNC flat head screws deliver exceptional engineering value in demanding industrial applications where vibration resistance, corrosion protection, and precise flush mounting are critical. The black-oxide alloy steel construction provides superior protection against environmental degradation while maintaining the high tensile strength required for structural applications. The Torx Plus IP20 drive system eliminates common installation issues like cam-out, ensuring consistent torque application in automated assembly environments. With coarse thread spacing and Class 3A thread fit, these fasteners provide rapid installation and reliable performance in machinery, electronic enclosures, and precision equipment where vibration loosening must be prevented. The combination of fully threaded design and optimized 82° countersink angle ensures maximum surface contact and load distribution for long-term joint integrity.

Specification Summary & Compliance

These industrial-grade flat head screws feature precision 8-32 UNC threads with Class 3A fit for superior thread engagement and dimensional accuracy. Manufacturing complies with ASME B18.3 specifications (ASTM F835) ensuring consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming they're free from restricted substances. The right-hand thread direction with coarse thread spacing provides optimal installation efficiency while the fully threaded design ensures maximum holding power across the entire 3/4" length.