S-92941A638 3/8"-16 x 3 1/2" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance due to brass construction, ideal for harsh environments and electrical applications.
• High tensile strength of 50,000 psi ensures reliable, long-lasting fastening for demanding industrial assemblies.
• Excellent wear resistance provided by Rockwell B55 hardness, extending the screw's service life.
• Easy installation and removal with an external hex drive and standard 9/16" head width for common tools.
• Secure and reliable thread engagement from 3/8"-16 UNC coarse threading and Class 2A fit for consistent performance.
• Versatile partial threading allows for unthreaded shank sections, providing enhanced shear strength where needed.
• Full compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability.

Professional Applications & Engineering Value

This brass hex head screw is engineered to solve critical challenges in corrosive and non-magnetic environments. Its 3/8"-16 UNC coarse thread and Class 2A fit provide rapid assembly and vibration resistance in electrical enclosures, marine hardware, and plumbing systems. The external hex drive and robust Rockwell B55 hardness prevent stripping during high-torque applications, reducing maintenance downtime. The partially threaded design offers a smooth shank for precise clamping, making it a reliable industrial fastener for machinery and structural assemblies where strength and corrosion resistance are paramount.

Specification Summary & Compliance

This screw adheres to ASME B18.2.1 specifications, ensuring precise dimensional standards for the inch system. The UNC coarse thread maintains a Class 2A tolerance for consistent fit. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances for safe use in various industrial and consumer applications.