S-93516A780 3/4"-10 x 1 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance for long-lasting performance in marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
• Rockwell B70 hardness provides superior durability and resistance to wear and deformation
• Coarse UNC thread design offers faster installation and better performance in softer materials
• External hex drive with substantial 1 1/8" head width enables secure tool engagement and high torque application
• Full threading along the 1 1/2" length allows for maximum adjustability and secure fastening throughout the entire grip length
• Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH ensures quality and environmental responsibility

Professional Applications & Engineering Value

This 651 Silicon Bronze hex head screw delivers exceptional engineering value in applications where corrosion resistance is paramount. The silicon bronze composition provides inherent protection against saltwater corrosion, making it ideal for marine hardware, offshore structures, and coastal installations. The 3/4"-10 UNC coarse thread configuration ensures reliable performance in wood, soft metals, and composite materials, while the external hex drive facilitates high-torque installation without stripping. With full threading along its entire length, this fastener offers maximum engagement flexibility for critical connections in shipbuilding, chemical processing equipment, and outdoor infrastructure where exposure to harsh elements would compromise standard steel fasteners.

Specification Summary & Compliance

This 3/4"-10 UNC hex head screw features Class 2A thread fit tolerances ensuring proper engagement and interchangeability. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and mechanical properties. The 651 silicon bronze material provides the specified 70,000 psi tensile strength and Rockwell B70 hardness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for regulated industries and international projects requiring verified material safety and environmental responsibility.