S-92710A224 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated 12L14 steel construction for prolonged service life in industrial environments
• Superior load-bearing capability with 55,000 psi tensile strength, ensuring reliable performance under high-stress conditions
• Precise installation control thanks to 3/16" hex size with ±0.005" tolerance for secure tool engagement
• Optimized thread compatibility through Class 2A/2B thread fit, providing consistent mating with standard components
• Complete fastening solution including hex nut, lock washer, and two flat washers for immediate assembly readiness
• Consistent mechanical performance with Rockwell B40 hardness, maintaining dimensional stability through repeated use
• Regulatory compliance assurance with RoHS 3 certification for environmentally responsible manufacturing

Professional Applications & Engineering Value

This 4-40 jack screw assembly delivers critical spacing and leveling functions in industrial equipment, electronic enclosures, and precision machinery. The zinc-plated 12L14 steel construction provides essential corrosion protection while maintaining the 55,000 psi tensile strength required for repeated adjustment cycles. The Class 2A thread fit ensures smooth engagement with mating components, eliminating binding issues common in male-female thread applications. With included lock washers and flat washers, this complete hardware kit prevents loosening from vibration, making it ideal for heavy-duty jack screw applications where reliability is paramount.

Specification Summary & Compliance

Manufactured to inch system specifications with 3/16" hex size tolerance of ±0.005" and Class 2A/2B thread fit per standard fastening protocols. The assembly meets RoHS 3 (2015/863/EU) compliance under exemption 6(a)-I for lead as an alloying element in steel. Mechanical properties include Rockwell B40 hardness and 55,000 psi tensile strength for consistent performance in demanding industrial applications.