S-93705A624 3/8"-16 x 1" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket 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 machinery and equipment.
• Superior corrosion resistance: Made from 18-8 stainless steel, offering excellent durability in harsh or moist industrial environments.
• High-strength construction: Withstands up to 70,000 psi tensile stress and Rockwell B70 hardness for demanding applications.
• Precision thread fit: Class 3A thread ensures tight, secure fastening with minimal play, ideal for high-vibration assemblies.
• Wide temperature tolerance: Nylon patch remains effective from -70°F to 250°F, suitable for diverse operating conditions.
• Easy installation and removal: Standard hex socket (5/16" drive) allows for straightforward torque application with common tools.
• Industry-standard compliance: Meets ASME B18.3 specifications for dimensional accuracy and performance reliability.

Professional Applications & Engineering Value

This 3/8"-16 UNC socket head cap screw is engineered to address critical challenges in industrial assembly, where vibration resistance and material integrity are paramount. The 18-8 stainless steel construction provides inherent corrosion resistance, making it suitable for outdoor equipment, food processing machinery, and marine applications. The coarse UNC thread and Class 3A fit ensure rapid installation and a secure hold in metals and composites, reducing the risk of thread stripping. The integrated nylon patch thread locker eliminates the need for separate locking washers or adhesives, streamlining assembly processes while maintaining clamp load under cyclic stresses. Ideal for high-tensile applications such as automotive frames, conveyor systems, and precision tooling, this fastener delivers consistent performance where reliability cannot be compromised.

Specification Summary & Compliance

This socket head cap screw adheres to ASME B18.3 dimensional standards, with a Class 3A thread fit for superior precision in Unified Coarse (UNC) threading. The fully threaded design and right-hand direction comply with industrial norms for ease of use. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global supply chains. Manufactured to deliver consistent 70,000 psi tensile strength and Rockwell B70 hardness, this fastener meets rigorous quality and safety requirements for professional use.