S-92710A205 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance: Zinc yellow-chromate plating on 12L14 steel provides excellent protection against rust and environmental degradation, extending service life in demanding conditions.
• High Tensile Strength & Durability: With a tensile strength of 55,000 psi and Rockwell B40 hardness, this jack screw set withstands heavy loads and repeated use without failure.
• Precision Thread Fit for Secure Fastening: Class 2A (male) and Class 2B (female) thread fit ensures smooth, reliable engagement and vibration resistance in assemblies.
• Complete Hardware Kit for Efficiency: Includes a hex nut, lock washer, and two flat washers, saving time and ensuring a proper, secure installation right out of the box.
• Dimensional Accuracy for Consistent Performance: Tight tolerances of ±0.005" on hex size and length guarantee uniform fit and alignment in precision applications.
• Compliant with Global Environmental Standards: RoHS 3 and REACH compliance ensures safe, sustainable use in regulated industries and international markets.
• Versatile Inch System Compatibility: Designed with 3/16" hex and 4-40 thread sizes, it integrates seamlessly with standard inch-based components and equipment.

Professional Applications & Engineering Value

This 3/16" hex 4-40 jack screw set is engineered to address common challenges in industrial assembly, such as component alignment, spacing, and secure mounting in electronic enclosures, machinery, and automotive systems. The zinc yellow-chromate plated 12L14 steel construction offers robust corrosion resistance, crucial for environments exposed to moisture or chemicals, while the Class 2A/2B thread fit minimizes backlash and ensures stable connections under vibration. With a tensile strength of 55,000 psi, it provides reliable load-bearing capacity, reducing the risk of thread stripping or failure in high-stress applications. The included hardware—hex nut, lock washer, and flat washers—streamlines installation, enhancing efficiency in production lines and maintenance tasks where precision and durability are paramount.

Specification Summary & Compliance

This jack screw set features precise dimensional tolerances (±0.005" for hex size and length) and adheres to Class 2A (male) and Class 2B (female) thread fit standards, ensuring consistent performance and interchangeability. It is manufactured from 12L14 steel with a zinc yellow-chromate plating for enhanced durability. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industrial sectors.