S-92710A226 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc-plated 12L14 steel construction for extended service life in demanding environments
• Precise thread engagement with Class 2A/2B thread fit ensuring reliable fastening and vibration resistance
• Superior load-bearing capacity with 55,000 psi tensile strength for high-stress industrial applications
• Consistent dimensional accuracy maintained through tight ±0.005" tolerances on hex size and length
• Complete assembly solution including hex nut, lock washer, and two flat washers for immediate installation
• Optimized mechanical performance with Rockwell B40 hardness providing excellent wear resistance
• Regulatory compliance assurance with RoHS 3 certification meeting international environmental standards

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 Class 2A/2B thread fit provides precise mating with female threaded components, eliminating play and ensuring vibration-resistant connections in machinery, electronics, and precision equipment. The 3/16" hex size with tight manufacturing tolerances allows for secure tool engagement while the complete hardware kit eliminates sourcing delays. The combination of 55,000 psi tensile strength and Rockwell B40 hardness makes these jack screws ideal for applications requiring repeated adjustment cycles without compromising thread integrity or mechanical performance.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and ±0.005" tolerance control on both hex size and length. The 4-40 thread configuration follows standard inch threading specifications with complementary Class 2B internal threading. Full compliance with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental responsibility while maintaining optimal mechanical properties for industrial fastener applications.