S-90357A118 6-32 x 3/16" Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Class 3A thread fit provides superior precision and tighter tolerances for secure, vibration-resistant assemblies in demanding environments.
• Black-oxide coating on alloy steel enhances corrosion resistance, extending service life and reducing maintenance needs in harsh conditions.
• Ultra-low socket head profile allows for installation in confined spaces, improving design flexibility and assembly efficiency.
• Rockwell C32 hardness offers excellent wear resistance, maintaining thread integrity and durability over repeated use.
• Fully threaded design with UNC coarse spacing ensures quick, easy installation and strong holding power in various materials.
• Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets international standards for industrial components.

Professional Applications & Engineering Value

This 6-32 UNC socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration loosening and space constraints. The black-oxide alloy steel construction provides enhanced corrosion resistance, making it ideal for applications in machinery, automotive, and electronics where exposure to moisture or chemicals is common. The ultra-low profile head and 1/16" hex drive enable secure fastening in tight spaces, reducing assembly time and improving reliability. With a Class 3A thread fit and coarse thread spacing, it ensures quick installation and robust performance in high-vibration environments, minimizing downtime and maintenance costs for B2B clients.

Specification Summary & Compliance

This socket head cap screw adheres to UNC thread standards with a Class 3A fit for precise dimensional accuracy, including a length tolerance of -0.005" to 0.005". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured to deliver consistent performance, it features a right-hand thread direction and fully threaded design for uniform load distribution in industrial fastening applications.