S-91268A962 1 1/2"-6 x 7" 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 high-stress industrial environments
• Superior corrosion resistance and durability through Grade 8 steel construction with Rockwell C33 hardness
• Optimized installation efficiency with coarse UNC threading and external hex drive for quick assembly
• Precise thread engagement with Class 2A fit ensuring consistent fastening performance
• Versatile partial threading design allowing both secure clamping and adjustable positioning
• Heavy-duty 7-inch length providing extended reach for substantial material thicknesses
• Regulatory compliance assurance meeting ASME B18.2.1 and SAE J429 standards for quality and safety

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical engineering solutions for heavy machinery, structural steel connections, and industrial equipment assembly. The 1-1/2"-6 UNC coarse threading combined with Class 2A thread fit ensures rapid installation while maintaining vibration resistance in dynamic applications. The partially threaded design provides both clamping force through the threaded section and structural support along the shank, making it ideal for construction, manufacturing, and automotive applications where high tensile strength and reliable fastening are paramount. The external hex drive accommodates standard tools for efficient maintenance and assembly operations.

Specification Summary & Compliance

Manufactured to Class 2A thread tolerance with 1-1/2"-6 UNC coarse threads and 3-1/2" minimum thread length. Complies with ASME B18.2.1 and SAE J429 Grade 8 specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards for industrial use.