S-98164A515 12-24 x 1" ASTM F879 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction with passivated finish
• High load-bearing capability with 70,000 psi tensile strength for demanding industrial applications
• Precise thread engagement ensured by Class 3A fit and UNC coarse threads for reliable fastening
• Easy installation and removal with hex drive design requiring only 1/8" drive tools
• Enhanced durability from Rockwell B55 hardness maintaining structural integrity under stress
• Full threading coverage along the 1" length provides maximum grip and adjustment flexibility
• Regulatory compliance meeting ASTM F879 standards while being RoHS 3 and REACH compliant

Professional Applications & Engineering Value

These 316 stainless steel rounded head screws with 12-24 UNC coarse threading deliver exceptional performance in corrosive or high-moisture environments where fastener failure is not an option. The passivated finish creates an additional protective layer that significantly extends service life in chemical processing, marine, and food equipment applications. The Class 3A thread fit ensures precise mating with corresponding nuts and tapped holes, eliminating play and vibration-induced loosening in machinery and structural assemblies. With fully threaded design and hex drive compatibility, these screws provide uniform clamping force and straightforward installation using standard industrial tools, making them ideal for maintenance operations and OEM manufacturing where reliability and compliance with ASTM F879 specifications are critical.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit and UNC coarse thread profile ensuring dimensional accuracy and interchangeability. These rounded head screws comply with ASTM F879 mechanical properties and surface treatment requirements. Environmental compliance includes RoHS 3 (2015/863/EU) restriction of hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. The combination of 316 stainless steel material, passivated finish, and precise 12-24 thread specifications delivers consistent performance meeting industrial fastener standards.