S-91781A239 10-24 x 5/16" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable performance under heavy loads
• Precision thread engagement with Class 2A fit and UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized flush mounting featuring an 82° countersink angle and undercut flat head design for seamless surface integration
• Full thread coverage along the entire 5/16" length provides maximum grip and load distribution
• Industry-standard compliance with ASME B18.6.3 specifications for guaranteed dimensional accuracy and interchangeability
• Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations for sustainable procurement

Professional Applications & Engineering Value

These 10-24 UNC flat head screws in 18-8 stainless steel deliver critical performance advantages for industrial assembly applications. The combination of passivated finish and stainless steel material provides exceptional resistance to corrosion and chemical exposure, making them ideal for machinery, marine equipment, and food processing installations. The fully threaded design with coarse thread spacing ensures maximum holding power in both soft and hard materials, while the undercut flat head profile and 82° countersink angle prevent surface protrusion and provide clean, aerodynamic finishes. The right-hand thread direction and slotted drive style offer compatibility with standard installation tools, streamlining production processes while maintaining the high 80,000 psi tensile strength required for structural applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC thread form ensuring consistent performance and interchangeability. These flat head screws comply with ASME B18.6.3 specifications for mechanical fasteners and meet environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. The 5/16" length and 0.362" head diameter maintain strict tolerance control for reliable countersunk applications across industrial equipment and machinery assemblies.