S-91794A291 12-24 x 1/2" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish for reliable performance in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for high-stress applications
• Precise Class 2A thread fit ensures smooth assembly and secure fastening in industrial equipment
• High, narrow fillister head profile provides enhanced clearance and professional appearance
• Full threading along the 1/2" length delivers maximum grip and uniform load distribution
• Standard-compliant manufacturing meeting ASME B18.6.3 specifications for guaranteed interchangeability
• Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These 12-24 UNC rounded head slotted screws are engineered to address critical fastening challenges in industrial environments. The 18-8 Stainless Steel construction combined with passivated finish provides exceptional resistance to corrosion, oxidation, and chemical exposure, making them ideal for machinery, electronic enclosures, and marine applications where environmental factors degrade ordinary fasteners. The high, narrow fillister head profile offers superior clearance in confined spaces while maintaining substantial bearing surface. With coarse UNC threads and Class 2A fit, these screws ensure rapid installation and vibration resistance in automated assembly lines. The combination of 70,000 psi tensile strength and full threading provides reliable performance in high-vibration equipment, preventing loosening and maintaining structural integrity under dynamic loads.

Specification Summary & Compliance

This 12-24 UNC screw features precise Class 2A thread fit with coarse thread spacing in the inch measurement system. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance standards. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety. Additional specifications include right-hand thread direction, fully threaded design, and standardized dimensions including 0.357" head diameter and 0.205" head height.