S-92240A107 1/4"-28 x 7/8" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior load-bearing capacity thanks to 80,000 psi tensile strength for reliable performance in demanding applications
• Precise thread engagement with Class 2A UNF fine threads ensuring secure, vibration-resistant connections
• Optimized installation efficiency through external hex drive design for easy torque application with standard tools
• Maximum thread coverage with fully threaded shank providing consistent clamping force along entire length
• Enhanced durability with Rockwell B70 hardness maintaining structural integrity under repeated stress
• Regulatory compliance assurance meeting ASME B18.2.1 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for precision assembly in demanding industrial settings, these 1/4"-28 UNF hex head screws deliver critical performance advantages where reliability is non-negotiable. The 18-8 stainless steel composition provides exceptional corrosion resistance, making these fasteners ideal for machinery, equipment manufacturing, and outdoor applications exposed to moisture and chemicals. The fine thread UNF configuration with Class 2A tolerance ensures superior vibration resistance and precise fitment in critical assemblies, while the external hex drive facilitates efficient installation in confined spaces. With full threading along the 7/8" length, these screws distribute clamping force evenly, preventing joint failure in high-stress applications across automotive, aerospace, and heavy equipment industries.

Specification Summary & Compliance

This 1/4"-28 UNF hex head screw features precise Class 2A thread fit per UNF standards with fine thread spacing, manufactured to exact dimensional specifications. The fastener complies with ASME B18.2.1 mechanical and dimensional requirements, ensuring interchangeability and reliability in industrial applications. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming the absence of restricted substances for global industrial use.