S-92198A634 3/8"-16 x 2 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and prevents fastener failure.
• External hex drive and hex head design allows for easy installation and high torque application with standard tools.
• Partially threaded shank provides superior clamping force and vibration resistance in assembled joints.
• Class 2A thread fit and coarse UNC thread offer easier assembly and better tolerance to debris and minor damage.
• Rockwell B70 hardness delivers excellent durability and wear resistance for long-term use.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to solve critical challenges in industrial assembly and construction. The 18-8 Stainless Steel material provides exceptional resistance to rust and chemical exposure, making it suitable for marine, chemical processing, and food-grade equipment. The partially threaded design ensures that the unthreaded portion bears directly against clamped materials, increasing joint stability and reducing the risk of loosening under vibration. With its coarse thread and external hex drive, it enables quick installation in a variety of substrates, even where alignment is imperfect. This screw is a reliable choice for structural frameworks, machinery, and heavy-duty fixtures where high tensile strength and corrosion resistance are mandatory for operational safety and longevity.

Specification Summary & Compliance

This product features a 3/8"-16 UNC coarse thread with a Class 2A thread fit for standard tolerance and easy assembly. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring dimensional accuracy and mechanical properties. The screw is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and health regulations for hazardous substances.