S-93705A643 1/2"-13 x 2" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with a permanent nylon patch that maintains secure fastening from -70° to 250°F, reducing maintenance needs.
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh or humid environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress.
• Precise Class 3A thread fit for smooth assembly and reduced risk of cross-threading in critical applications.
• Durable 3/8" hex drive allows for high torque application and easy installation with standard tools.
• Coarse UNC threads provide quick assembly and strong holding power in a variety of materials.
• Compliance with ASME B18.3 guarantees consistent quality and interchangeability in industrial settings.

Professional Applications & Engineering Value

Engineered for demanding environments, these socket head cap screws combine 18-8 stainless steel with a nylon patch thread locker to address common issues like loosening under vibration and exposure to corrosive elements. The coarse UNC thread and Class 3A fit ensure rapid, reliable fastening in machinery, automotive assemblies, and structural frameworks, minimizing downtime. With a 70,000 psi tensile strength and 3/8" hex drive, they withstand high stress while facilitating easy maintenance, making them a trusted choice for OEMs and MRO professionals seeking durability and regulatory compliance.

Specification Summary & Compliance

This product features a Class 3A thread fit with 1/2"-13 UNC coarse threads and adheres to ASME B18.3 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global industrial use.