S-92620A856 3/4"-10 x 5 1/2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength and Grade 8 classification, ideal for high-stress industrial applications.
• Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh environments.
• Reliable fastening performance with fully threaded UNC coarse design and Class 2A fit for secure, vibration-resistant connections.
• Easy installation and removal using standard external hex drive and 1 1/8" head width for efficient tool engagement.
• High durability backed by Rockwell C33 hardness, resisting wear and deformation under heavy loads.
• Broad compatibility with ASME B18.2.1 and SAE J429 standards, ensuring quality and interchangeability.
• Optimized for heavy-duty use with a 5 1/2" length and right-hand thread, suitable for construction and machinery assemblies.

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical reliability in demanding sectors like construction, automotive, and heavy machinery. Its steel construction and zinc yellow-chromate plating combat rust and chemical exposure, reducing maintenance costs. The 3/4"-10 UNC coarse thread and fully threaded design enhance grip in thick materials, preventing loosening under vibration. With 150,000 psi tensile strength and external hex drive, it simplifies assembly in tight spaces, supporting efficient B2B operations where ASME B18.2.1 compliance is mandatory for safety and performance.

Specification Summary & Compliance

This fastener adheres to precise Class 2A thread fit and UNC coarse thread standards, ensuring dimensional accuracy. It meets ASME B18.2.1 and SAE J429 specifications for material and manufacturing quality, with no explicit RoHS or REACH claims in the provided data. The inch system measurements and Grade 8 strength confirm consistency for industrial use.