S-92865A876 7/8"-9 x 1 1/2" 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 ensures reliable performance under high-stress industrial conditions
• Superior corrosion resistance through zinc plating, extending service life in demanding environments
• Optimized coarse thread design (7/8"-9 UNC) provides faster installation and enhanced vibration resistance
• Precision Class 2A thread fit guarantees consistent engagement and secure fastening connections
• Rockwell C25 hardness rating maintains structural integrity and prevents thread deformation
• Full threading along the 1 1/2" length offers maximum grip strength and versatile positioning options
• External hex drive design enables high-torque installation with standard tools for efficient assembly

Professional Applications & Engineering Value

This Grade 5 steel hex head screw delivers critical performance where structural integrity matters most. The combination of 120,000 psi tensile strength and Rockwell C25 hardness provides exceptional resistance to shear forces and mechanical stress in heavy machinery, construction equipment, and industrial assemblies. The 7/8"-9 UNC coarse thread configuration ensures rapid installation while maintaining superior clamping force, significantly reducing assembly time in production environments. The zinc plated finish creates a protective barrier against oxidation and environmental corrosion, making these fully threaded hex screws ideal for outdoor applications, manufacturing facilities, and maintenance operations where durability and reliability are paramount. The external hex drive accommodates standard wrenches for secure tightening in confined spaces.

Specification Summary & Compliance

Manufactured to Class 2A thread fit tolerances with 7/8"-9 UNC coarse thread specifications. Complies with ASME B18.2.1 and SAE J429 Grade 5 standards for dimensional accuracy and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements. All specifications conform to inch system measurements with 1 1/2" length and fully threaded design.