S-91412A460 3/8"-16 x 1 1/4" Stainless Steel Thread-Locking Hex Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking: Permanent nylon patch thread locker prevents loosening under dynamic loads, ensuring reliable performance in demanding applications.
• Superior corrosion resistance: Made from 18-8 Stainless Steel, offering excellent protection against rust and corrosion for long-term durability.
• High-strength construction: With a 70,000 psi tensile strength and Rockwell B70 hardness, this screw withstands high stress and shear forces.
• Wide temperature tolerance: The nylon patch locking function remains effective from -55° to 250° F, suitable for various environmental conditions.
• Secure and precise fastening: Class 2A thread fit with UNC coarse threads provides easy assembly and a reliable, consistent grip.
• Efficient installation: External hex drive and hex head design allow for high torque application with standard tools, speeding up assembly processes.
• Regulatory compliance assurance: Meets RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global industrial use.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to solve critical fastening challenges in industrial settings where vibration, temperature fluctuations, and corrosion are common. The nylon patch thread locking technology embedded in the fully threaded design provides a permanent, self-locking mechanism that eliminates the need for additional lock washers or adhesives, reducing assembly time and parts inventory. Constructed from 18-8 Stainless Steel, it offers inherent resistance to oxidation and chemical exposure, making it ideal for machinery, automotive assemblies, and outdoor equipment. The coarse thread and Class 2A fit ensure quick, secure engagement in a variety of materials, from metal to composite substrates, enhancing reliability in high-stress applications while maintaining consistent performance across a broad temperature range.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC thread with Class 2A dimensional accuracy for precise fit and ease of assembly. It is fully threaded and includes a right-hand thread direction. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries. The product adheres to standard industrial specifications for material and performance, including the stated tensile strength and hardness metrics.