S-92198A728 1/2"-13 x 4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibrations.
• Rockwell B70 hardness provides superior durability and resistance to wear over time.
• Partially threaded design offers enhanced grip and holding power in demanding applications.
• Coarse UNC thread with Class 2A fit allows for quick installation and easy alignment.
• External hex drive and 3/4" head width enable secure, high-torque fastening with standard tools.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees safety and regulatory adherence for global use.

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw is engineered from 18-8 Stainless Steel to address common industrial challenges such as corrosion, mechanical stress, and assembly efficiency. Its partially threaded configuration minimizes thread damage during installation while maximizing clamping force in structural connections, machinery, and heavy equipment. The coarse thread and external hex drive simplify fastening in time-sensitive operations, reducing labor costs. With a tensile strength of 80,000 psi and Rockwell B70 hardness, it withstands extreme conditions in construction, automotive, and marine applications, ensuring long-term reliability and reduced maintenance.

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 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 material integrity for industrial use.