S-92240A728 1/2"-13 x 4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement frequency
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell B70 hardness provides excellent wear resistance and durability for long-term use
• Fully threaded design offers maximum grip and holding power across the entire 4" length
• External hex drive and 3/4" head width allow for easy installation and high torque application with standard tools
• Class 2A thread fit with UNC coarse threading ensures quick assembly and reliable engagement in various materials
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality and environmental safety

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw is engineered from 18-8 Stainless Steel to address critical industrial challenges such as corrosion, high stress, and frequent disassembly. The coarse thread design prevents cross-threading and enables faster installation in structural steel, machinery, and heavy equipment. With an external hex drive and full threading, it provides superior clamping force and ease of maintenance in demanding applications like construction, manufacturing, and marine environments. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures it withstands dynamic loads and harsh conditions, reducing downtime and maintenance costs for B2B clients.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in accordance with ASME B18.2.1 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and consistent performance in industrial applications.