S-92620A924 7/8"-14 x 2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capability with 150,000 psi tensile strength and Rockwell C33 hardness for reliable performance in high-stress applications
• Superior corrosion protection through zinc yellow-chromate plating that extends service life in harsh industrial environments
• Precise thread engagement with Class 2A UNF fine threads ensuring consistent clamping force and vibration resistance
• Easy installation and removal thanks to the external hex drive design that accommodates standard wrenching tools
• Full-length threading provides maximum grip along the entire 2" length for enhanced fastening security
• Heavy-duty construction meeting Grade 8 specifications for demanding mechanical and structural applications
• Regulatory compliance with RoHS 3 and REACH environmental standards for safe global usage

Professional Applications & Engineering Value

These Grade 8 hex head screws deliver exceptional engineering value in heavy machinery, structural steel connections, and industrial equipment where failure is not an option. The 7/8"-14 UNF fine thread configuration provides superior resistance to vibrational loosening compared to coarse threads, while the zinc yellow-chromate plating creates a robust barrier against corrosion in outdoor or chemically aggressive environments. The fully threaded design ensures maximum surface contact for distributed stress, preventing point loading failures. With 150,000 psi tensile strength and Rockwell C33 hardness, these industrial fasteners maintain integrity under extreme mechanical loads, making them ideal for critical applications in construction, mining equipment, and heavy vehicle assembly where reliability and durability are paramount.

Specification Summary & Compliance

This heavy-duty hex screw features precision Class 2A thread fit with 7/8"-14 UNF right-hand threads manufactured to exacting dimensional standards. The fastener complies with ASME B18.2.1 and SAE J429 Grade 8 specifications, ensuring consistent quality and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making these screws suitable for global industrial applications requiring strict material restrictions.