S-94967A577 3/8"-16 x 2" ASME B18.2.1, ASTM B117, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black protective coating extends service life in harsh environments
• High-strength Grade 5 rating delivers 120,000 psi tensile strength for demanding applications
• Precise Class 2A thread fit ensures smooth installation and reliable engagement
• Full threading along 2" length provides maximum grip and adjustment flexibility
• External hex drive design allows for high-torque installation with standard tools
• Coarse UNC thread pattern enables quick assembly and reduced cross-threading risk
• Comprehensive compliance with ASME, SAE, ASTM standards plus RoHS 3 and REACH regulations

Professional Applications & Engineering Value

These Grade 5 hex head screws deliver critical performance where structural integrity and environmental resistance are paramount. The black corrosion-resistant coating protects against oxidation in industrial settings, while the Rockwell C25 hardness ensures durability under repeated stress. The 3/8"-16 UNC coarse thread configuration provides excellent holding power in metals and plastics, making these fully threaded fasteners ideal for machinery assembly, structural frameworks, and heavy equipment maintenance. Their external hex drive accommodates high installation torque without stripping, significantly reducing assembly time and maintenance costs in manufacturing and construction applications.

Specification Summary & Compliance

Manufactured to Class 2A thread fit tolerances with UNC coarse threading meeting ASME B18.2.1 dimensional requirements. Complies with SAE J429 Grade 5 mechanical properties and ASTM B117 salt spray testing standards. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.