S-92710A225 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated 12L14 steel construction for extended service life in demanding environments
• Precise Class 2A/2B thread fit ensures smooth engagement and reliable mating with female threaded components
• High tensile strength rating of 55,000 psi provides exceptional load-bearing capacity for secure mechanical connections
• Complete hardware kit inclusion (hex nut, lock washer, two flat washers) eliminates separate sourcing and ensures proper installation
• Rockwell B40 hardness rating maintains thread integrity and prevents deformation under repeated use
• Tight dimensional tolerances (±0.005") guarantee consistent performance and interchangeability in precision assemblies
• RoHS 3 compliance meets international environmental standards for industrial component manufacturing

Professional Applications & Engineering Value

This 4-40 jack screw set delivers critical engineering solutions for industrial applications requiring precise component spacing and secure fastening. The zinc-plated 12L14 steel construction provides superior corrosion protection while maintaining the 55,000 psi tensile strength necessary for high-stress applications. The 7/8" thread length offers ample engagement depth for stable connections in electronic enclosures, machinery alignment, and precision instrumentation. The included hardware kit featuring hex nut, lock washer, and flat washers ensures vibration-resistant installations, making these class 2A threaded fasteners ideal for maintaining positional accuracy in manufacturing equipment, telecommunications hardware, and automotive assemblies where reliability is paramount.

Specification Summary & Compliance

Manufactured to inch system standards with Class 2A external threads and Class 2B internal threads ensuring precise fitment. Dimensional tolerances maintained within ±0.005" for both 3/16" hex size and overall length. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel. Mechanical properties include Rockwell B40 hardness and 55,000 psi tensile strength meeting industrial fastener requirements for durability and performance.