S-92710A220 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Zinc Yellow-Chromate plating on 12L14 steel, extending service life in harsh industrial environments.
• Precise thread engagement with Class 2A/2B fit ensuring reliable, vibration-resistant connections in critical assemblies.
• High tensile strength of 55,000 psi provides dependable load-bearing capacity for demanding mechanical applications.
• Consistent dimensional accuracy with hex size and length tolerances held within ±0.005" for uniform installation and compatibility.
• Optimized Rockwell B40 hardness balances machinability with durability, reducing wear during repeated use.
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements.
• Versatile male-female 4-40 thread design enables flexible mounting and spacing in precision equipment and electronic enclosures.

Professional Applications & Engineering Value

Engineered for precision alignment and spacing tasks, this 4-40 thread jack screw solves common industrial challenges like component misalignment and vibration-induced loosening. The Zinc Yellow-Chromate plated 12L14 steel construction offers exceptional corrosion protection, critical for electronics, telecommunications, and automotive assemblies exposed to humidity or contaminants. Its Class 2A/2B thread fit maintains tight tolerances, preventing cross-threading while ensuring secure mating with panel inserts and standoffs. The 3/16" hex head allows for easy installation with standard tools, reducing assembly time in high-volume production. Ideal for securing PCB mounts, optical devices, and machinery guards, this component delivers repeatable performance where dimensional stability and regulatory compliance are non-negotiable.

Specification Summary & Compliance

This jack screw adheres to inch system standards with a 4-40 thread size and Class 2A (male)/Class 2B (female) thread fit, ensuring precision alignment. Dimensional tolerances for hex size (3/16") and length are maintained within -0.005" to 0.005". The mechanical properties include a tensile strength of 55,000 psi and Rockwell B40 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing safe use in restricted substance-sensitive applications.