S-94288A516 1/2"-13 x 1 1/2" Extreme-Strength Stainless Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• 450 stainless steel construction provides excellent corrosion resistance and durability in harsh industrial environments.
• Integrated flange design eliminates the need for a separate washer, distributing load evenly and speeding up assembly.
• Coarse UNC threading with Class 2A fit offers quick installation and secure fastening, even in materials with slight variations.
• Rockwell C38 hardness maintains thread integrity and resistance to wear over repeated use.
• External hex drive allows for high-torque application with standard tools, ensuring tight and secure connections.
• Partially threaded shank provides unthreaded grip length for precise clamping force in structural applications.

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw in 450 stainless steel is engineered to address common industrial challenges such as vibration loosening and material fatigue. The coarse thread design ensures rapid installation in tough materials, while the flanged head increases bearing surface to prevent surface damage and maintain joint integrity. Ideal for heavy-duty machinery, construction equipment, and automotive assemblies, it combines high tensile strength and Rockwell C38 hardness to withstand dynamic loads and corrosive conditions. The external hex drive facilitates efficient torque transfer, making it a reliable choice for maintenance and manufacturing where durability and performance are critical.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is manufactured in the inch system with a thread size of 1/2"-13, length of 1 1/2", and right-hand thread direction. The product complies with industry specifications for material properties and is suitable for applications requiring RoHS and REACH compliance, ensuring environmental and safety standards are met.