S-90008A641 6-32 x 1/2" ASME B18.3, ASTM F837 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with silver-plated 18-8 stainless steel construction, ideal for harsh environments and preventing galvanic corrosion.
• Superior thread engagement and reliability due to Class 3A thread fit, ensuring precise, vibration-resistant assemblies.
• High tensile strength of 70,000 psi provides exceptional load-bearing capacity and resistance to mechanical failure.
• Excellent durability and wear resistance from Rockwell B70 hardness, maintaining performance under repeated use.
• Secure, high-torque installation enabled by the hex socket drive and standard head profile, preventing stripping and cam-out.
• Broad compatibility with the 6-32 UNC coarse thread, facilitating quick assembly and disassembly in various applications.
• Full regulatory compliance with ASME B18.3, ASTM F837, RoHS 3, and REACH, ensuring safety and environmental standards are met.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered to address critical challenges in precision machinery, electronics, and industrial equipment assembly. The silver-plated 18-8 stainless steel offers excellent corrosion resistance, reducing maintenance needs in humid or chemically aggressive settings. Its 6-32 UNC coarse thread and Class 3A fit ensure tight, reliable fastening that resists loosening from vibrations, a common issue in dynamic systems. The hex drive socket head allows for high torque application in confined spaces, enhancing installation efficiency. With a 70,000 psi tensile strength and Rockwell B70 hardness, it provides long-term structural integrity, making it ideal for high-stress applications like aerospace components, medical devices, and automotive systems where failure is not an option.

Specification Summary & Compliance

This fastener adheres to precise dimensional standards, including a Class 3A thread fit for superior accuracy and a 6-32 UNC coarse thread with full threading for consistent engagement. It meets ASME B18.3 and ASTM F837 specifications, ensuring manufacturing consistency and performance reliability. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in environmentally sensitive and global markets.