S-92210A307 10-32 x 1 1/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish for extended service life in harsh environments
• Exceptional tensile strength rated at 70,000 psi ensures reliable performance under heavy loads and vibration
• Precision Class 3A thread fit provides superior engagement and eliminates cross-threading in critical assemblies
• Optimal flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Enhanced driving torque capability through hex drive design prevents stripping during installation
• Full threading along 1-1/4" length delivers maximum grip strength and uniform stress distribution
• Regulatory compliance assurance meets ASME B18.3 standards and environmental regulations for global applications

Professional Applications & Engineering Value

These 10-32 UNF flat head screws with Class 3A thread precision solve critical challenges in precision machinery, aerospace components, and marine equipment where vibration resistance and dimensional accuracy are paramount. The 18-8 stainless steel construction combined with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, significantly reducing maintenance cycles in industrial environments. The fine thread spacing and fully threaded design ensure superior clamping force distribution across the entire engagement length, preventing joint loosening in high-vibration applications. The 82° countersink angle and flat head profile enable flush mounting in precision assemblies where surface clearance is limited, making these fasteners ideal for optical equipment, precision instruments, and electronic enclosures requiring both structural integrity and aesthetic finish.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit ensuring precise dimensional tolerances for critical assemblies. The UNF (Unified National Fine) thread system with 10-32 thread size and right-hand thread direction provides standardized compatibility across industrial applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and material transparency. Mechanical properties include Rockwell B55 hardness and 70,000 psi tensile strength for demanding mechanical fastening requirements.