S-92941A810 5/8"-11 x 4" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for harsh environments and moisture-prone applications
• High tensile strength of 50,000 psi ensures reliable load-bearing capacity and joint integrity in demanding assemblies
• Rockwell B55 hardness provides excellent durability and resistance to wear during installation and use
• Coarse UNC threading allows for faster installation and reduced risk of cross-threading in various materials
• Partial threading design offers optimal grip and clamping force control for precise fastening applications
• External hex drive and hex head enable easy installation with standard tools, improving assembly efficiency
• Class 2A thread fit ensures consistent, reliable engagement with nuts and tapped holes, minimizing assembly issues

Professional Applications & Engineering Value

This 5/8"-11 UNC brass hex head screw is engineered to address critical challenges in industrial and mechanical assemblies where corrosion resistance and structural reliability are paramount. The brass material inherently resists oxidation and galvanic corrosion, making it ideal for marine, plumbing, and electrical applications exposed to moisture or chemicals. With a coarse thread profile, it provides superior holding power in soft materials and faster installation times, reducing labor costs. The partial threading allows for precise clamping force distribution, preventing joint loosening under vibration. Compliant with ASME B18.2.1, this screw meets rigorous dimensional and performance standards, ensuring interchangeability and safety in heavy-duty frameworks, machinery, and construction projects.

Specification Summary & Compliance

This screw features a Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and reliable mating with corresponding nuts. It is manufactured in accordance with ASME B18.2.1 specifications, guaranteeing consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for hazardous substances. With a 4" length, 5/8"-11 thread size, and right-hand thread direction, it is designed for robust, repeatable use in industrial fastening systems.