S-97928A135 5/16"-18 x 1" Bronze Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from silicon bronze material, ideal for marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
• Rockwell B70 hardness provides excellent durability and wear resistance for long service life
• Class 3A thread fit delivers precise, secure fastening with minimal backlash in critical assemblies
• Hex socket drive design allows for easy installation with standard tools in confined spaces
• Full threading and coarse UNC pattern enables quick assembly and strong grip in various materials
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

Engineered for marine applications and corrosive environments, these silicon bronze socket head cap screws solve critical fastening challenges where saltwater, chemicals, or moisture degrade ordinary steel fasteners. The 5/16"-18 UNC coarse thread combined with Class 3A precision ensures vibration-resistant connections in equipment subjected to dynamic loads. The hex drive socket head provides superior torque transmission while the fully threaded right-hand design allows for maximum adjustment and clamping force. These screws are particularly valuable in offshore platforms, chemical processing equipment, and coastal infrastructure where failure prevention is paramount.

Specification Summary & Compliance

Manufactured to inch system dimensions with Class 3A thread fit per UNC standards, ensuring precise dimensional accuracy. The silicon bronze construction meets 70,000 psi tensile strength and Rockwell B70 hardness requirements. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring strict material safety standards.