S-92186A377 3/8"-24 x 4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Precise Class 2A thread fit guarantees smooth installation and secure fastening in critical assemblies
• External hex drive and hex head design provides excellent torque transmission and easy wrench access
• Partially threaded shank allows for unthreaded grip length, ideal for clamping materials securely
• Fine UNF thread spacing offers improved adjustment precision and resistance to loosening
• Full compliance with ASME B18.2.1, RoHS 3, and REACH ensures material safety and meets stringent industrial standards

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 316 stainless steel hex head screw delivers exceptional corrosion resistance, making it ideal for chemical processing, marine applications, and food-grade equipment where moisture and corrosive agents are present. The partially threaded design with a 3/8"-24 UNF fine thread provides a secure grip on joined materials, reducing stress concentration and preventing joint failure. Its 70,000 psi tensile strength and Rockwell B70 hardness ensure long-term durability and reliability in structural assemblies, machinery, and heavy-duty fixtures. The external hex drive facilitates efficient installation with standard tools, streamlining maintenance and assembly processes in industrial applications.

Specification Summary & Compliance

This 4" length hex head screw features a 3/8"-24 UNF fine thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.2.1 standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, ensuring environmental safety and material integrity for professional use.