S-91268A269 3/8"-16 x 1 1/4" 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 demanding industrial applications
• Superior durability and wear resistance thanks to Grade 8 steel construction and Rockwell C33 hardness
• Optimal thread engagement and vibration resistance with coarse 3/8"-16 UNC threading and Class 2A fit
• Easy installation and removal with standard external hex drive and 9/16" head width
• Full-length holding power achieved through fully threaded 1-1/4" length design
• Reliable performance in harsh environments with compliance to RoHS 3 and REACH environmental standards
• Interchangeable compatibility meeting ASME B18.2.1 and SAE J429 specifications for industrial systems

Professional Applications & Engineering Value

These Grade 8 hex head screws deliver critical structural integrity in heavy machinery, construction equipment, and automotive assemblies where vibration resistance and high tensile loads are constant challenges. The 3/8"-16 UNC coarse thread design provides superior grip in various materials while preventing cross-threading during installation. Manufactured from high-strength steel with Rockwell C33 hardness, these fully threaded fasteners maintain clamping force under extreme conditions, making them ideal for critical joints in industrial equipment, structural frameworks, and mechanical systems requiring 150,000 PSI tensile strength performance.

Specification Summary & Compliance

This Grade 8 hex head screw features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and 1-1/4" length. Manufactured to ASME B18.2.1 and SAE J429 Grade 8 specifications, ensuring dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use worldwide.