S-90357A016 1/4"-20 x 1" 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 demanding applications, reducing the risk of fastener failure.
• Precision Class 3A thread fit provides superior engagement and vibration resistance, enhancing assembly integrity.
• Black-oxide finish on alloy steel offers excellent corrosion resistance, prolonging service life in harsh industrial environments.
• Ultra-low socket head profile allows for installation in tight spaces, maximizing design flexibility.
• Rockwell C32 hardness delivers outstanding durability and wear resistance, minimizing maintenance needs.
• Coarse UNC threads enable quick and easy assembly, saving valuable production time.
• Strict length tolerance of ±0.005" guarantees consistent performance and precise fit in critical applications.

Professional Applications & Engineering Value

Engineered for high-stress environments, these socket head cap screws in black-oxide alloy steel provide a robust fastening solution where reliability is non-negotiable. The Class 3A thread fit and coarse UNC threads ensure secure, vibration-resistant connections in machinery, automotive assemblies, and heavy equipment. The ultra-low profile head is ideal for compact designs, while the 140,000 psi tensile strength handles dynamic loads without compromising integrity. Fully compliant with RoHS 3 and REACH, they meet stringent industrial standards for safety and environmental responsibility, making them a trusted choice for engineers seeking durability and precision in industrial fasteners.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a precise Class 3A thread fit and length tolerance of -0.005" to 0.005". Manufactured from alloy steel with a black-oxide surface treatment, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial suitability.