S-93516A724 1/2"-13 x 3" ASME B18.2.1 Bronze Hex Head Screws
Bronze Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from 651 Silicon Bronze material, ideal for harsh marine and industrial environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity
- Rockwell B70 hardness provides superior wear resistance and long-term durability
- Fully threaded UNC coarse spacing enables faster installation and secure fastening in various materials
- Class 2A thread fit guarantees consistent, precise engagement with standard nuts and tapped holes
- External hex drive design allows for easy installation with common tools and high torque application
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality assurance and environmental safety standards
Professional Applications & Engineering Value
These silicon bronze hex head screws deliver outstanding performance in demanding applications where corrosion resistance and mechanical strength are critical. The 651 Silicon Bronze composition provides exceptional protection against saltwater corrosion, making them ideal for marine hardware, shipbuilding, and coastal infrastructure. The UNC coarse thread design ensures rapid installation and reliable holding power in wood, metal, and composite materials, while the external hex drive accommodates high torque requirements without stripping. Engineered with 70,000 psi tensile strength and Rockwell B70 hardness, these screws maintain structural integrity under heavy loads and vibration, solving common failure points in industrial equipment, offshore platforms, and chemical processing facilities.
Specification Summary & Compliance
This 1/2"-13 UNC 3" hex head screw features Class 2A thread fit precision and fully threaded coarse spacing manufactured to exacting standards. The product complies with ASME B18.2.1 dimensional specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both mechanical reliability and regulatory compliance for professional applications.
