S-92620A622 3/8"-16 x 3/4" 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 for reliable performance in demanding applications
• Superior corrosion resistance from zinc yellow-chromate plating that extends service life in harsh environments
• Optimized thread engagement with UNC coarse spacing and Class 2A fit for faster installation and secure fastening
• Maximum thread utilization through full threading along the entire 3/4" length for enhanced grip strength
• High-strength material integrity with Grade 8 steel and Rockwell C33 hardness for durability under extreme conditions
• Industry-standard compatibility meeting ASME B18.2.1 and SAE J429 specifications for reliable interchangeability
• Easy installation and removal with external hex drive design providing positive tool engagement and torque transmission

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical performance where high tensile strength and corrosion resistance are paramount. The 3/8"-16 UNC coarse thread configuration ensures rapid assembly while maintaining secure fastening in structural applications, heavy machinery, and industrial equipment. The zinc yellow-chromate plating provides a durable barrier against oxidation and chemical exposure, significantly extending service life in challenging environments. Engineered with fully threaded design and Class 2A thread fit, these fasteners offer maximum thread engagement for vibration resistance and load distribution. The external hex drive and substantial 9/16" head width allow for high torque application without stripping, making them ideal for maintenance, construction, and manufacturing applications requiring reliable, high-strength fastening solutions.

Specification Summary & Compliance

This inch system fastener features precise Class 2A thread fit with 3/8"-16 UNC coarse spacing and right-hand threading. Manufactured to ASME B18.2.1 and SAE J429 standards, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry requirements for hazardous substance restrictions and chemical safety.