S-92710A213 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.
• High mechanical strength offering 55,000 psi tensile strength and Rockwell B40 hardness for reliable load-bearing in demanding applications.
• Precise thread engagement with Class 2A/2B fit ensuring secure, vibration-resistant connections and easy assembly.
• Complete assembly solution including hex nut, lock washer, and two flat washers to streamline installation and reduce sourcing time.
• Strict dimensional accuracy with hex size and length tolerances of ±0.005" for consistent performance in precision equipment.
• Compliance with global regulations including RoHS 3 and REACH, making it suitable for international industrial and electronic markets.
• Versatile inch-system compatibility with 4-40 thread size and 3/16" hex head, ideal for standard US-manufactured components.

Professional Applications & Engineering Value

This 4-40 thread hex jack screw kit is engineered to address common challenges in electronics, machinery, and assembly lines where vibration resistance and corrosion protection are critical. The zinc yellow-chromate plated 12L14 steel construction provides a durable barrier against oxidation and wear, while the Class 2A/2B thread fit ensures tight, reliable fastening that minimizes loosening under dynamic loads. Included components like the lock washer and flat washers enhance stability, making it ideal for securing panels, PCB mounts, and adjustable mechanisms in industrial settings. By combining high tensile strength with precise inch-system threading, this kit reduces maintenance downtime and supports efficient, repeatable installations in automated or manual processes.

Specification Summary & Compliance

This jack screw maintains tight dimensional controls, including a hex size tolerance of -0.005" to 0.005" and length tolerance of -0.005" to 0.005". Threads conform to Class 2A (external) and Class 2B (internal) fit per standard inch threading practices, ensuring interoperability. The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, affirming its suitability for use in regulated industries without hazardous substances.