S-92865A867 3/4"-10 x 8" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi provides reliable performance in demanding heavy-duty applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the zinc plating extends the screw's service life, even in harsh industrial or outdoor environments.
• High hardness rating (Rockwell C25) ensures excellent wear resistance and durability, maintaining thread integrity over repeated use.
• Coarse UNC thread and Class 2A fit allow for faster installation and easier alignment, saving valuable assembly time.
• Fully threaded design offers maximum grip and clamping force along the entire 8-inch length for secure fastening.
• External hex drive and standard head dimensions provide compatibility with common tools, ensuring straightforward installation and removal.
• Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality, dimensional accuracy, and interchangeability.

Professional Applications & Engineering Value

This Grade 5 hex head screw is engineered to solve critical challenges in heavy-duty industrial applications. The zinc plated steel construction provides a robust barrier against corrosion, addressing the common issue of fastener degradation in demanding environments like construction, machinery assembly, and structural frameworks. The coarse UNC thread and Class 2A thread fit ensure rapid, reliable installation even in situations where alignment precision is challenging, reducing assembly time and labor costs. With a high tensile strength of 120,000 psi and Rockwell C25 hardness, this fully threaded screw maintains integrity under high vibrational loads and stress, preventing loosening and joint failure. Its compliance with ASME B18.2.1 standards ensures dimensional consistency, making it a dependable choice for engineers and procurement specialists seeking durable, high-performance industrial fasteners.

Specification Summary & Compliance

This hex head screw features a 3/4"-10 UNC coarse thread with a Class 2A thread fit for standard tolerance and easy assembly. It is manufactured to meet ASME B18.2.1 and SAE J429 specifications, ensuring precise dimensional accuracy and mechanical properties. The product is also RoHS 3 (2015/863/EU) Compliant, adhering to environmental regulations for hazardous substance restrictions.