S-90357A002 6-32 x 1/2" Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength: Withstands up to 140,000 psi for reliable performance in high-stress industrial environments.
• Precision Class 3A Thread Fit: Ensures tight, secure connections with minimal backlash, reducing assembly time and improving joint integrity.
• Enhanced Corrosion Resistance: Black-oxide coating on alloy steel provides superior durability against moisture and harsh conditions, extending service life.
• Ultra-Low Socket Head Profile: Allows installation in confined spaces without compromising on drive engagement, ideal for compact designs.
• High Hardness Rating: Rockwell C32 hardness offers excellent wear resistance, maintaining thread integrity through repeated use.
• Coarse UNC Threads: Facilitates quick and easy assembly in a variety of materials, reducing the risk of cross-threading.
• Full Threading for Maximum Grip: Provides consistent holding power along the entire 1/2" length, ensuring uniform load distribution.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these black-oxide alloy steel socket head cap screws address common challenges like space constraints and corrosion-induced failure. The ultra-low profile head and 6-32 UNC coarse threads enable efficient installation in tight assemblies, such as machinery frames, automotive components, and electronic enclosures, where precision and reliability are critical. The Class 3A thread fit minimizes vibration loosening, while the black-oxide surface treatment enhances resistance to rust and wear, reducing maintenance costs and downtime. Ideal for applications requiring high tensile strength and compliance with environmental standards, these screws deliver consistent performance in manufacturing, aerospace, and heavy equipment sectors.

Specification Summary & Compliance

This socket head cap screw adheres to UNC thread standards with a Class 3A precision fit for tight tolerances (length tolerance: -0.005" to 0.005"). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence. Manufactured from alloy steel with a black-oxide finish, it is designed for durability and consistent performance in industrial fastening applications.