S-92710A223 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated 12L14 steel construction for extended service life in harsh industrial environments
• Exceptional mechanical strength with 55,000 psi tensile strength and Rockwell B40 hardness to withstand high-stress applications
• Precision thread engagement with Class 2A/2B thread fit ensuring reliable, vibration-resistant connections in critical assemblies
• Complete hardware solution including hex nut, lock washer, and two flat washers for simplified procurement and secure installations
• Strict dimensional accuracy with ±0.005" tolerance on hex size and length for consistent performance in precision applications
• Regulatory compliance assurance with RoHS 3 compliance meeting international environmental standards for industrial use
• Optimized for tool engagement with 3/16" hex head design providing secure wrenching and efficient installation

Professional Applications & Engineering Value

This 4-40 thread jack screw set delivers exceptional engineering value through its zinc-plated 12L14 steel construction, specifically engineered to address common industrial fastening challenges. The combination of 55,000 psi tensile strength and Rockwell B40 hardness ensures reliable performance in high-vibration applications where fastener failure is not an option. The Class 2A/2B thread fit provides precise engagement with mating components, eliminating play and maintaining alignment in precision equipment, electronic enclosures, and machinery assemblies. The included hex nut, lock washer, and flat washers create a complete fastening system that prevents loosening under dynamic loads, making it ideal for industrial jack screw applications requiring both security and repeated adjustment capability.

Specification Summary & Compliance

This jack screw set maintains Class 2A/2B thread fit standards with precise dimensional tolerances of ±0.005" for both hex size and length. Manufactured from 12L14 steel with zinc plating, the components deliver consistent performance across industrial applications. The set is RoHS 3 (2015/863/EU) compliant with exemption 6(a)-I for lead as an alloying element in steel, ensuring adherence to international environmental regulations while maintaining the mechanical properties required for demanding industrial screw applications.