S-90843A130 8-32 x 1/2" Cleaned and Bagged 18-8 Stainless Steel Socket Head Screws for High Vacuum

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with silver-plated 18-8 stainless steel construction for extended service life in harsh environments
• Superior thread engagement with Class 3A fit ensuring precise, reliable fastening in critical applications
• High tensile strength rating of 70,000 PSI provides exceptional load-bearing capacity for demanding mechanical assemblies
• Optimized for vacuum environments with specialized plating that maintains integrity under high vacuum conditions
• Consistent drive performance through standard hex socket design that prevents cam-out and ensures secure installation
• Full thread coverage along the entire 1/2" length enables maximum adjustment flexibility and clamping force distribution
• Regulatory compliance assurance meeting both RoHS 3 and REACH standards for global market acceptance

Professional Applications & Engineering Value

This silver-plated 18-8 stainless steel socket head cap screw delivers exceptional performance in precision engineering applications where reliability is paramount. The combination of Class 3A thread fit and UNC coarse thread pattern ensures rapid assembly with minimal cross-threading risk, while the high vacuum rating makes it ideal for aerospace, semiconductor, and scientific instrumentation applications. The silver plating on 18-8 stainless steel provides superior corrosion protection beyond standard stainless finishes, addressing common failure points in chemical processing and marine environments. Engineers specify this socket head cap screw for applications requiring consistent clamping force, vibration resistance, and long-term durability under extreme operating conditions.

Specification Summary & Compliance

This fastener features precision 8-32 UNC threads with Class 3A fit tolerances, ensuring consistent thread engagement and reliable performance. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 70,000 PSI tensile strength, it meets rigorous mechanical requirements. The standard hex socket drive (9/64") accommodates industry-standard tools for efficient installation. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to international environmental and safety standards for hazardous substance restrictions.