S-90280A299 12-24 x 1 1/2" ASME B18.6.3 Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for reliable load-bearing applications
• Excellent drive engagement with slotted fillister head design providing secure tool connection and reduced cam-out risk
• Optimized thread engagement with coarse UNC threads and Class 2A fit ensuring smooth installation and vibration resistance
• Enhanced clearance capability with high, narrow rounded head profile allowing for deeper counterbore applications
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire fastener
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 12-24 UNC rounded fillister head slotted screws deliver exceptional engineering value in industrial assembly applications where high-strength fastening and corrosion resistance are critical. The zinc-plated steel construction provides superior protection against environmental degradation, while the fully threaded coarse UNC design ensures rapid installation and reliable performance in vibration-prone environments. The distinctive fillister head with high, narrow profile offers excellent clearance for counterbored applications in machinery, electrical enclosures, and precision equipment. With 60,000 psi tensile strength and Rockwell B69 hardness, these screws maintain structural integrity under significant mechanical stress, making them ideal for demanding industrial settings where fastener failure is not an option.

Specification Summary & Compliance

This 1-1/2" length screw features precise Class 2A thread fit with UNC coarse threads and right-hand threading for standardized compatibility. Manufacturing complies with ASME B18.6.3 specifications ensuring dimensional accuracy and performance reliability. The product meets stringent environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, confirming adherence to international safety and environmental standards for industrial components.