S-92710A212 4-40 x 3/16" Jack Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating on 12L14 steel, ideal for harsh industrial environments
• Exceptional mechanical reliability from 55,000 psi tensile strength and Rockwell B40 hardness for long-lasting performance
• Precision thread engagement with Class 2A (male) and Class 2B (female) fit ensuring secure, vibration-resistant connections
• Complete assembly solution including hex nut, lock washer, and two flat washers to streamline installation and reduce sourcing time
• Accurate dimensional control with ±0.005" tolerances on hex size and length for consistent fit in precision applications
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global market acceptance
• Versatile 4-40 thread compatibility with male-female configuration enabling flexible mounting in electronic and mechanical assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial jack screw applications, this zinc yellow-chromate plated steel set solves critical alignment and spacing challenges in electronics enclosures, machinery mounts, and precision instruments. The Class 2A/2B thread fit maintains tight tolerances under vibration, while the complete hardware kit eliminates component mismatch in production lines. With 55,000 psi tensile strength and corrosion-resistant plating, these 4-40 thread components withstand repeated adjustments without galling or seizing, reducing maintenance downtime in automated equipment and telecommunications infrastructure.

Specification Summary & Compliance

Manufactured to inch system standards with Class 2A external threads and Class 2B internal threads ensuring precise engagement. Dimensional tolerances held within ±0.005" for hex size and length. Full compliance with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006) regulations, validated per June 2023 SVHC list.