S-93516A711 1/2"-13 x 3/4" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in harsh marine and industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC thread pattern allows for faster installation and reduced risk of cross-threading
• External hex drive design offers secure tool engagement for high-torque applications
• Full threading along the 3/4" length provides maximum grip and holding power
• Compliance with ASME B18.2.1 standards guarantees precise dimensional accuracy and interchangeability

Professional Applications & Engineering Value

Engineered for demanding environments, these 651 Silicon Bronze hex head screws deliver exceptional performance where corrosion is a primary concern. The silicon bronze material offers natural resistance to saltwater corrosion, making these UNC coarse thread screws ideal for marine hardware, offshore structures, and chemical processing equipment. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures these external hex drive fasteners maintain clamping force under vibration and load cycling. The Class 2A thread fit provides optimal clearance for easy assembly while maintaining secure connections in industrial machinery, wastewater treatment systems, and coastal construction projects where reliability is critical.

Specification Summary & Compliance

These 1/2"-13 UNC hex head screws feature precise Class 2A thread fit tolerances and are manufactured to ASME B18.2.1 specifications for dimensional consistency. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest standards for hazardous substance restrictions and chemical safety in industrial applications.