S-92381A103 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B79 hardness for reliable load-bearing performance
• Precise component alignment through controlled shoulder diameter (3/32") and length (3/8") with tight manufacturing tolerances
• Optimized assembly efficiency with Class 2A thread fit and coarse 2-56 UNC thread for faster installation and reduced cross-threading risk
• Space-saving low-profile design featuring ultra-low socket head for applications with limited clearance requirements
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Enhanced durability with smooth head texture and right-hand thread direction for consistent performance in high-cycle applications

Professional Applications & Engineering Value

Engineered for precision motion control and rotational applications, these 316 stainless steel shoulder screws provide critical alignment functions in machinery, automation systems, and precision instruments. The passivated finish significantly enhances corrosion resistance in challenging environments containing chemicals or moisture. With 70,000 psi tensile strength and Rockwell B79 hardness, these fasteners maintain dimensional stability under substantial loads while the ultra-low socket head design accommodates space-constrained assemblies. The 2-56 UNC coarse thread configuration ensures rapid installation and secure fastening in industrial shoulder screw applications where vibration resistance and repeated disassembly are common requirements.

Specification Summary & Compliance

This precision shoulder screw features Class 2A thread fit per UNC standards with precise shoulder dimensions (3/32" diameter, 3/8" length) manufactured to tight tolerances. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications. Mechanical properties include 70,000 psi tensile strength and Rockwell B79 hardness, providing reliable performance in demanding engineering applications.