S-95198A564 3/8"-24 x 1 1/2" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with Viton® Fluoroelastomer O-Ring, ensuring reliable operation under high-pressure conditions up to 1500 psi and extreme temperatures from -20° to 400°F.
• Exceptional corrosion resistance due to 18-8 Stainless Steel construction, ideal for harsh industrial environments and extending service life.
• High tensile strength of 100,000 psi and Rockwell B85 hardness, providing robust load-bearing capacity and resistance to deformation under stress.
• Precise Class 3A thread fit with UNF fine threads, enabling secure, vibration-resistant fastening and easy assembly in precision applications.
• Standard hex drive (5/16") and socket head profile for straightforward installation using common tools, reducing assembly time and effort.
• Full threading along the 1 1/2" length allows for adjustable engagement and consistent clamping force in diverse mounting scenarios.
• Compliance with major standards including ASME B18.3, DIN 912, and ISO 4762, ensuring interoperability and reliability in global engineering projects.

Professional Applications & Engineering Value

This 3/8"-24 UNF Socket Head Cap Screw is engineered to address critical challenges in industrial sealing and fastening. The 18-8 Stainless Steel material offers excellent resistance to corrosion and oxidation, making it suitable for applications in chemical processing, marine equipment, and food machinery where durability is paramount. The inclusion of a Viton® Fluoroelastomer O-Ring provides an effective seal against fluids and gases, preventing leaks in high-pressure systems up to 1500 psi, such as hydraulic assemblies, pneumatic controls, and automotive components. With a fine UNF thread and Class 3A fit, it ensures tight, secure connections that resist loosening under vibration, common in machinery and aerospace sectors. The socket head design with a hex drive facilitates easy access in confined spaces, streamlining maintenance and reducing downtime. Ideal for OEMs and MRO operations, this screw delivers reliable performance in demanding environments, enhancing system integrity and safety.

Specification Summary & Compliance

This screw features precise Class 3A thread fit with UNF fine threads (3/8"-24), ensuring high accuracy and compatibility in threaded assemblies. It adheres to key standards: ASME B18.3, DIN 912, and ISO 4762, guaranteeing dimensional consistency and performance reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances, making it suitable for global supply chains and eco-conscious industries.