S-90843A120 6-32 x 1/2" Cleaned and Bagged 18-8 Stainless Steel Socket Head Screws for High Vacuum

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with silver-plated 18-8 stainless steel construction, ideal for harsh environments and preventing material degradation.
• Superior mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress and load conditions.
• High vacuum compatibility ensures leak-proof sealing in vacuum systems, critical for semiconductor, aerospace, and scientific instrumentation applications.
• Precise Class 3A thread fit guarantees tight tolerances and secure fastening, reducing the risk of loosening and improving assembly integrity.
• Easy installation and removal with a standard hex drive (7/64"), allowing for efficient torque application in confined spaces using common tools.
• Full compliance with environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability in global supply chains.
• Coarse UNC threading provides quick assembly and high resistance to vibration, making it suitable for dynamic industrial equipment.

Professional Applications & Engineering Value

Engineered for demanding sectors, this 6-32 UNC thread socket head cap screw addresses critical challenges in high-performance assemblies. The silver-plated 18-8 stainless steel delivers excellent corrosion resistance, essential for applications in medical devices, vacuum chambers, and marine equipment where moisture and chemicals are prevalent. Its high vacuum rating prevents outgassing and maintains integrity in sensitive environments like semiconductor manufacturing. The Class 3A thread fit and coarse threading ensure rapid, secure fastening, reducing installation time and minimizing failure risks in vibrating machinery. With a fully threaded design and robust hex drive, it offers consistent clamping force and accessibility in tight spaces, enhancing overall engineering efficiency and reliability.

Specification Summary & Compliance

This fastener adheres to UNC coarse thread standards with a precise Class 3A thread fit for minimal clearance and high accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufacturing follows industry norms for dimensions, including thread size 6-32, length 1/2", and drive size 7/64", supporting consistent performance in regulated industrial applications.