S-90666A004 8-32 x 1/4" Super-Corrosion-Resistant 316 Stainless Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional thread engagement and reliability with a precision Class 3A thread fit for secure fastening
• High-strength performance under load with a tensile strength of 70,000 psi and Rockwell B70 hardness
• Space-saving low-profile head design for applications with limited clearance
• Secure and reliable installation using a standard 5/64" hex key drive
• Broad industrial compatibility with 8-32 UNC coarse threads for quick assembly
• Compliance with major environmental regulations including RoHS 3 and REACH for safe use

Professional Applications & Engineering Value

This 316 Stainless Steel Socket Head Cap Screw is engineered to solve critical challenges in demanding industrial settings. Its low-profile head and UNC coarse threads make it ideal for machinery, electronics, and marine applications where space is limited and corrosion resistance is paramount. The Class 3A thread fit ensures precise, vibration-resistant connections, reducing the risk of loosening in high-stress environments. Manufactured from high-grade 316 stainless steel, it offers excellent durability against chemicals, moisture, and extreme temperatures, providing long-term reliability and reducing maintenance frequency in industrial socket head screw assemblies.

Specification Summary & Compliance

This fastener features an 8-32 UNC thread with a Class 3A precision fit and a 1/4" length, ensuring dimensional accuracy for reliable performance. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial and international applications requiring strict environmental and safety standards.