S-91790A323 12-24 x 1 1/4" ASME B18.6.3 Stainless Steel Slotted Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for long-term reliability in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for heavy-duty applications
• Precise thread engagement with Class 2A thread fit and 12-24 UNC coarse threading for secure fastening and vibration resistance
• Optimal flush mounting with standard oval head profile and 82° countersink angle for smooth surface finishing
• Full-threaded design provides maximum grip length and load distribution across the entire fastener
• Industry-standard compliance with ASME B18.6.3 specifications ensures consistent quality and interchangeability
• Easy installation with slotted drive design for straightforward assembly in various industrial settings

Professional Applications & Engineering Value

These 12-24 UNC oval head flat head screws deliver critical performance advantages in demanding industrial environments where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition, enhanced by passivated finish, provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for marine equipment, food processing machinery, and outdoor applications. The coarse threading (UNC) ensures rapid installation and superior holding power in softer materials, while the Class 2A thread fit maintains precise tolerances for consistent performance. The oval head profile with 82° countersink angle creates a finished appearance while distributing clamping force efficiently, preventing surface damage in precision assemblies. With 80,000 psi tensile strength, these fully threaded screws withstand significant mechanical stress in structural applications and heavy machinery.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerances for precision threading. Features 12-24 UNC coarse threads with right-hand direction and standard oval head profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The passivated finish on 18-8 stainless steel provides enhanced corrosion protection while maintaining the material's inherent strength characteristics.