S-92800A253 1/2"-13 x 11 1/2" 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 long-term reliability.
• High tensile strength of 80,000 PSI ensures secure, durable fastening under heavy loads and stress.
• Class 2A thread fit provides consistent, reliable engagement with standard nuts and tapped holes.
• Coarse UNC threading allows for quick assembly and reduced cross-threading risks in industrial applications.
• Partially threaded design offers precise clamping force control and vibration resistance in structural joints.
• External hex drive and hex head enable easy installation with common tools, speeding up maintenance and assembly.
• Compliance with RoHS 3 and REACH ensures environmental safety and meets global regulatory standards.

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw in 18-8 stainless steel is engineered to address common industrial challenges, such as corrosion in humid or chemical-exposed settings. Its coarse thread and Class 2A fit minimize assembly time while providing reliable torque transmission, making it ideal for heavy machinery, construction frameworks, and marine equipment. The partially threaded shank concentrates clamping force, reducing loosening from vibrations. With 80,000 PSI tensile strength and Rockwell B70 hardness, it withstands extreme mechanical stress, ensuring long-term performance in demanding applications like structural bolting and equipment manufacturing.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a Class 2A thread fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufacturing follows industry norms for inch-system measurements, with consistent thread diameter and spacing to guarantee compatibility and reliability in professional use.