S-92865A912 1"-8 x 2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure
• Enhanced corrosion resistance from zinc plating protects against rust and environmental degradation, extending service life in demanding conditions
• High hardness rating (Rockwell C25) provides excellent wear resistance and maintains structural integrity under repeated use
• Precise Class 2A thread fit with UNC coarse threading enables quick assembly and secure fastening in various materials
• Full threading design offers maximum grip length and uniform load distribution across the entire fastener
• External hex drive with substantial 1 1/2" head width allows for high torque application with standard tools
• Industry-standard compliance ensures consistent quality and interchangeability with existing fastener systems

Professional Applications & Engineering Value

This Grade 5 hex head screw delivers exceptional engineering value through its zinc plated steel construction and 1"-8 UNC coarse threading. The combination of 120,000 psi tensile strength and Rockwell C25 hardness addresses critical industrial challenges where vibration resistance and structural integrity are paramount. The fully threaded design ensures maximum engagement in heavy machinery, structural steel connections, and equipment assembly applications. The external hex drive facilitates high-torque installation in confined spaces, while the zinc plating provides essential corrosion protection in manufacturing environments, outdoor applications, and industrial settings where moisture and chemicals are present. This fastener solves common engineering pain points by offering reliable performance in demanding conditions where fastener failure could result in costly downtime or safety concerns.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 1"-8 UNC coarse threading in a right-hand direction, manufactured to exacting dimensional standards. The fastener meets ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring consistent performance and interchangeability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and safe use across various industrial applications. The inch system measurement and fully threaded configuration provide reliable fastening solutions for professional users requiring standardized components.