S-92710A222 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 for Demanding Loads: With a 55,000 psi tensile strength, this screw reliably handles high-stress applications without failure.
• Precision Thread Fit for Secure Assembly: Class 2A (Male) and Class 2B (Female) thread fits ensure consistent, vibration-resistant connections and easy installation.
• Robust Material Hardness: Rockwell B40 hardness offers excellent resistance to wear and deformation, maintaining integrity under repeated use.
• Wide Compatibility and Versatility: The standardized 4-40 thread size and 3/16" hex head make it compatible with a vast range of industrial components and standard tools.
• Strict Dimensional Accuracy: Tight ±0.005" tolerances on the hex size and length guarantee a precise fit and reliable performance in precision assemblies.
• Compliant for Global Use: Meets RoHS 3 and REACH environmental standards, ensuring safety and regulatory compliance for international markets.

Professional Applications & Engineering Value

This 4-40 thread Jack Screw is engineered to solve critical challenges in precision assembly and electronics. The Zinc Yellow-Chromate Plated 12L14 Steel construction combats corrosion, a common failure point in industrial environments, ensuring long-term reliability for panels, chassis, and electronic enclosures. The 9/16" thread length and male-female thread design provide ample engagement for secure spacing and leveling applications, preventing loosening from vibration. Its 55,000 psi tensile strength and controlled Class 2A/2B thread fit make it an ideal choice for applications requiring a robust, yet precisely adjustable, fastening solution that maintains alignment and withstands operational stresses.

Specification Summary & Compliance

This jack screw adheres to precise dimensional standards with a hex size tolerance of -0.005" to 0.005" and a length tolerance of -0.005" to 0.005". The threads are manufactured to Class 2A (external) and Class 2B (internal) fit per standard inch-series practice, ensuring interchangeability and reliable performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and safe for use in various industrial and electronic applications.