S-92186A629 3/8"-16 x 1 5/8" 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, long-lasting fastening for demanding applications
• Class 2A thread fit provides consistent, precise engagement for easier assembly and reduced risk of cross-threading
• External hex drive and hex head design allows for high-torque installation with standard tools, speeding up assembly
• Partially threaded shank offers improved grip and clamping force on materials, enhancing joint stability
• Coarse UNC thread spacing enables quicker installation and better performance in materials prone to stripping
• Full compliance with ASME B18.2.1, RoHS 3, and REACH guarantees 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 and marine settings where corrosion resistance and mechanical strength are paramount. The 316 stainless steel material provides exceptional durability against chlorides and acidic conditions, making it ideal for chemical processing, offshore equipment, and food-grade machinery. The external hex drive and coarse thread spacing ensure rapid, secure fastening even in high-vibration environments, reducing assembly time and maintenance needs. With a Rockwell B70 hardness and 70,000 psi tensile strength, it maintains integrity under heavy loads, while the partial threading optimizes clamping force for structural joints. This screw meets ASME B18.2.1 standards, ensuring dimensional accuracy and reliability for B2B procurement in sectors like construction, automotive, and heavy machinery.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent tolerance and a 3/8"-16 UNC thread size with coarse spacing. It is manufactured in compliance with ASME B18.2.1 for mechanical and dimensional integrity. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and environmentally safe for global industrial use.