S-91771A250 10-24 x 1 3/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for demanding applications
• Precision thread engagement through Class 2A fit and fully threaded design ensuring reliable fastening performance
• Optimized flush mounting with 82° countersink angle and standard flat head profile for seamless surface integration
• Enhanced drive efficiency featuring Phillips No. 2 drive for secure installation and reduced cam-out risk
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for global supply chain compatibility

Professional Applications & Engineering Value

These 10-24 UNC flat head screws deliver critical performance advantages in industrial fastening systems where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against chemical exposure and atmospheric corrosion, making these fasteners ideal for marine equipment, food processing machinery, and outdoor structural applications. The combination of coarse thread spacing and Class 2A thread fit ensures rapid installation and vibration resistance in high-stress assemblies. The fully threaded design maximizes grip length while the 82° countersink angle creates flush surfaces in precision-machined components. These industrial flat head screws solve common engineering challenges including galvanic corrosion, thread stripping, and installation efficiency in automated production environments.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 dimensional standards with Class 2A thread fit tolerances for consistent interchangeability. The 10-24 UNC coarse thread configuration provides optimal engagement in various materials. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures material safety and global market acceptance. Mechanical properties include 80,000 psi tensile strength and Rockwell B80 hardness for reliable performance in structural applications.