S-94414A631 3/8"-16 x 2" ASME B18.3, ASTM F835 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional torque transmission with Torx Plus IP45 drive system for reduced cam-out and enhanced installation efficiency
• Superior corrosion resistance through Black-Oxide coating on alloy steel for extended service life in demanding environments
• Maximum thread reliability with Class 3A fit ensuring precise engagement and vibration resistance in critical assemblies
• Heavy-duty load capacity from 140,000 psi tensile strength and Rockwell C39 hardness for structural applications
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Industry-standard compatibility with UNC coarse threading and 2" full thread length for versatile replacement and OEM use
• Regulatory compliance assurance meeting ASME B18.3 specifications while adhering to RoHS 3 and REACH environmental standards

Professional Applications & Engineering Value

These Flat Head Torx Plus screws solve critical fastening challenges in industrial machinery, automotive assemblies, and structural frameworks where vibration resistance and high clamp force are paramount. The Black-Oxide Alloy Steel construction provides essential corrosion protection while maintaining the 140,000 psi tensile strength needed for heavy-load applications. The Torx Plus IP45 drive system delivers up to 50% more torque transfer compared to standard drives, preventing fastener damage during high-torque installation. With UNC coarse threading and Class 3A thread fit, these screws maintain secure connections in high-vibration environments while the fully threaded 2" length ensures maximum engagement in thick materials. The 82° countersink profile allows perfect flush mounting in standardized chamfered holes, making them ideal for precision manufacturing applications requiring smooth surface finishes.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit for precision tolerance. Features UNC coarse thread (3/8"-16) with full threading along the 2" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The Torx Plus IP45/T45 drive system ensures standardized torque application while the Black-Oxide surface treatment provides consistent corrosion protection. Mechanical properties include 140,000 psi minimum tensile strength and Rockwell C39 hardness for guaranteed performance in demanding applications.