S-92710A207 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating, extending service life in harsh industrial environments.
• High tensile strength of 55,000 psi ensures reliable load-bearing capacity and resistance to mechanical stress.
• Precision Class 2A/2B thread fit guarantees smooth assembly and secure fastening with minimal play.
• Complete hardware set included (hex nut, lock washer, two flat washers) for immediate installation and reduced sourcing time.
• Consistent dimensional accuracy with tight hex size and length tolerances (±0.005") for uniform performance.
• Robust Rockwell B40 hardness provides excellent durability and wear resistance in repetitive applications.
• Compliance with RoHS 3 and REACH standards ensures environmental safety and global regulatory acceptance.

Professional Applications & Engineering Value

This 4-40 thread jack screw set is engineered for precision alignment and secure fastening in industrial equipment, electronics, and machinery. The zinc yellow-chromate plated 12L14 steel construction offers enhanced corrosion protection, critical for maintaining integrity in humid or chemically exposed settings. With a Class 2A thread fit and included hex nut and washers, it simplifies assembly while preventing loosening under vibration. Ideal for applications requiring exact male-female thread engagement, this set reduces downtime and ensures long-term reliability in precision screw installations, from panel mounting to component leveling.

Specification Summary & Compliance

This jack screw set adheres to inch measurement standards with a 3/16" hex size and 4-40 thread size, featuring precise Class 2A (external) and Class 2B (internal) thread fits per industry norms. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no hazardous substances. Dimensional tolerances are maintained within -0.005" to 0.005" for consistent performance in professional applications.