S-92941A640 3/8"-16 x 4" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance due to brass construction, ideal for humid or marine environments
• High tensile strength of 50,000 psi ensures reliable performance under heavy loads
• Rockwell B55 hardness provides excellent durability and resistance to wear
• External hex drive and hex head design allows for easy installation with standard tools and high torque application
• Coarse UNC threading and Class 2A thread fit enable quick assembly and secure fastening in various materials
• Partial threading offers optimal grip and clamping force for specific joint requirements
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards

Professional Applications & Engineering Value

This 3/8"-16 UNC brass hex head screw is engineered to address common industrial challenges such as corrosion and mechanical stress. The brass material inherently resists rust and galvanic corrosion, making it perfect for electrical components, plumbing systems, and marine equipment. With a coarse thread and Class 2A thread fit, it ensures rapid installation and secure fastening in soft materials or where vibration resistance is critical. The external hex drive facilitates high-torque applications, reducing assembly time and improving efficiency in manufacturing, construction, and maintenance settings. Its partial threading design provides precise clamping control, preventing over-tightening and material damage.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy, a length of 4 inches, and partial threading. It conforms to ASME B18.2.1 manufacturing specifications, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting strict environmental and safety regulations for hazardous substances.