S-90124A632 3/8"-16 x 2" ASME B18.2.1, SAE J429 Steel Wire-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated steel construction for long-lasting performance in harsh environments
• High tensile strength of 120,000 psi ensures reliable fastening in demanding industrial applications
• Precise Class 2A thread fit provides smooth assembly and consistent engagement with mating components
• Grade 5 strength classification delivers optimal balance of durability and cost-effectiveness for general industrial use
• Partially threaded design allows for controlled clamping force and secure joint connections
• External hex drive configuration enables quick installation and removal with standard tools
• Coarse UNC thread pattern facilitates faster assembly and reduced cross-threading risks

Professional Applications & Engineering Value

These Grade 5 zinc-plated steel hex head screws are engineered to address critical fastening challenges in industrial environments where corrosion resistance and structural integrity are paramount. The 3/8"-16 UNC coarse thread configuration combined with Rockwell C25 hardness ensures reliable performance in machinery assembly, structural frameworks, and equipment manufacturing applications. The partially threaded design provides controlled clamping force distribution, preventing joint loosening under vibration while the zinc plating creates a protective barrier against environmental factors. These industrial-grade hex head screws deliver consistent performance in construction, automotive, and heavy equipment applications where high tensile strength and durability are essential for operational safety and longevity.

Specification Summary & Compliance

This fastener features Class 2A thread fit tolerance for precise engagement and meets ASME B18.2.1 manufacturing specifications. The 3/8"-16 UNC coarse thread pattern ensures compatibility with standard industrial components. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards guarantees safe usage across various industries. Manufactured to SAE J429 Grade 5 requirements with 120,000 psi tensile strength and Rockwell C25 hardness for consistent mechanical performance.