S-93516A174 1/2"-13 x 4 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in marine and harsh industrial environments
• High tensile strength (70,000 psi) ensures reliable performance under heavy loads and stress
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Fully threaded UNC coarse design delivers maximum grip and faster installation in various materials
• External hex drive with 3/4" head width allows for secure tool engagement and high torque application
• Class 2A thread fit guarantees consistent, precise threading for smooth assembly
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental standards are met

Professional Applications & Engineering Value

Engineered from 651 Silicon Bronze, this hex head screw addresses critical challenges in corrosive settings like marine construction, chemical processing, and coastal infrastructure. The material's inherent resistance to saltwater and chemical exposure prevents premature failure, reducing maintenance costs and downtime. The 1/2"-13 UNC coarse thread and fully threaded design enhance pull-out resistance and speed up installation in wood, metal, and composite substrates. With an external hex drive and robust 4 1/2" length, it offers dependable fastening for structural assemblies, piping systems, and equipment subjected to high vibration and load stresses, ensuring long-term integrity in demanding applications.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It meets ASME B18.2.1 manufacturing standards, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting safe and environmentally responsible use in global industrial markets.