S-92710A216 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Exceptional Corrosion Resistance: Zinc yellow-chromate plating protects against rust and environmental degradation, ensuring long-term reliability in demanding industrial settings.
• High Tensile Strength: With a tensile strength of 55,000 psi, this screw provides robust, secure connections that resist loosening under vibration and load.
• Precision Thread Fit: Class 2A external and Class 2B internal thread fits guarantee smooth, accurate mating with minimal play, reducing assembly time and improving final product quality.
• Optimized for Tight Spaces: The compact 3/16" hex head and 1/4" thread length allow for easy installation in confined areas without compromising on grip or torque application.
• Consistent Dimensional Accuracy: Tight tolerances of ±0.005" on hex size and length ensure uniform performance and interchangeability across high-volume production runs.
• Durable Material Construction: Made from 12L14 steel with Rockwell B40 hardness, offering excellent machinability and wear resistance for repeated use.
• Global Compliance Ready: Meets RoHS 3 and REACH regulations, making it suitable for international markets and environmentally conscious manufacturing processes.

Professional Applications & Engineering Value

This 4-40 thread jack screw is engineered to address critical challenges in precision assembly and mounting applications. The zinc yellow-chromate plated 12L14 steel construction provides a durable barrier against corrosion, which is essential in electronics, telecommunications, and industrial machinery where exposure to moisture or chemicals is common. The Class 2A thread fit ensures reliable engagement with mating components, minimizing the risk of cross-threading and enhancing the integrity of connections in vibration-prone environments. Its compact hex head design allows for efficient tool access in tight spaces, streamlining installation in complex assemblies like PCB mounts, enclosures, and optical devices. By combining high tensile strength with precise dimensional control, this jack screw reduces failure rates and maintenance needs, delivering consistent performance in automated production lines and custom engineering projects.

Specification Summary & Compliance

This product adheres to Class 2A/2B thread fit standards, ensuring precise dimensional accuracy with a thread diameter of 0.112" and length tolerance of ±0.005". Manufactured from 12L14 steel, it meets specified mechanical properties including a tensile strength of 55,000 psi and Rockwell B40 hardness. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in restricted substance-sensitive applications and global supply chains.