S-92941A804 5/8"-11 x 2 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 industrial environments
• Excellent electrical and thermal conductivity for specialized electrical and plumbing applications
• High tensile strength of 50,000 psi provides reliable fastening for heavy-duty assemblies
• Rockwell B55 hardness ensures excellent durability and resistance to wear
• Partially threaded design offers superior clamping force and vibration resistance
• External hex drive and hex head allow for easy installation with standard tools
• Class 2A thread fit with UNC coarse threading ensures smooth assembly and reliable performance

Professional Applications & Engineering Value

This 5/8"-11 UNC brass hex head screw delivers exceptional engineering value in demanding applications where corrosion resistance and conductivity are critical. The brass material provides natural resistance to rust and galvanic corrosion, making it ideal for marine, plumbing, and electrical systems. The coarse UNC threading and Class 2A thread fit enable quick installation and secure fastening in soft materials or where vibration is a concern. With partial threading, it concentrates clamping force precisely where needed, preventing joint loosening in machinery and structural assemblies. The combination of 50,000 psi tensile strength and Rockwell B55 hardness ensures long-term reliability in industrial settings, from manufacturing equipment to utility installations.

Specification Summary & Compliance

This screw features precise Class 2A thread fit with 5/8"-11 UNC coarse threading and 2 1/2" length. It is manufactured to meet ASME B18.2.1 specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial applications.