S-92800A337 1 1/8"-7 x 2 3/4" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional load-bearing capacity thanks to 80,000 psi tensile strength and Rockwell B70 hardness
• Reliable fastening performance ensured by Class 2A thread fit for consistent engagement
• Quick installation and removal with external hex drive and coarse UNC threading
• Full-length thread coverage provides maximum grip and uniform stress distribution
• Compliance with environmental regulations including RoHS 3 and REACH for safe usage
• Heavy-duty dimensions (1 1/8"-7 thread, 2 3/4" length) suitable for demanding structural applications

Professional Applications & Engineering Value

This 1 1/8"-7 UNC hex head screw delivers critical engineering advantages in industrial settings where corrosion resistance and structural integrity are paramount. Manufactured from 18-8 stainless steel, it effectively resists rust and chemical degradation in marine, chemical processing, and outdoor applications. The coarse thread design prevents cross-threading and enables faster assembly in structural steel, heavy machinery, and construction projects. With fully threaded coverage and external hex drive, it provides uniform clamping force and secure torque transmission. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance under vibration and dynamic loads, making it ideal for permanent installations requiring long-term durability.

Specification Summary & Compliance

This heavy-duty hex head screw features precision UNC coarse threading with Class 2A thread fit tolerance for consistent mating with standard nuts. Manufactured to inch system specifications with 1 1/8"-7 thread size and 2 3/4" length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors.