S-91440A253 10-24 x 2" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Exceptional mechanical strength with 60,000 psi tensile rating and Rockwell B70 hardness for reliable performance under heavy loads
• Versatile installation options through combined Phillips/Slotted No. 2 drive, accommodating different tool preferences
• Optimized thread engagement with fully threaded UNC coarse spacing and Class 2A fit for secure fastening in various materials
• Enhanced assembly efficiency with rounded head profile providing smooth surface transition and reduced installation time
• Broad compatibility with standard 10-24 thread size and 2" length, suitable for diverse industrial applications
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These zinc-plated steel rounded head screws deliver critical performance advantages for industrial assembly applications where corrosion resistance and high tensile strength are paramount. The combination of UNC coarse threading with Class 2A fit ensures reliable engagement in metal, plastic, and composite materials, reducing the risk of cross-threading during high-volume production. The dual Phillips/Slotted drive configuration provides installation flexibility for maintenance teams using different tooling systems. With full threading along the entire 2" length, these industrial screws maintain consistent clamping force across thick assemblies, preventing joint failure in vibration-prone environments. The rounded head design minimizes stress concentration points while the zinc plating creates a protective barrier against moisture and chemical exposure in manufacturing facilities, outdoor equipment, and machinery applications.

Specification Summary & Compliance

This 10-24 x 2" rounded head screw features precision UNC coarse threads with Class 2A thread fit tolerance for consistent engagement. Manufacturing complies with ASME B18.6.3 specifications ensuring dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) requirements for chemical safety. Mechanical properties include 60,000 psi tensile strength and Rockwell B70 hardness verification, supporting quality assurance protocols for industrial fastener applications.