S-93516A173 1/2"-13 x 3 3/4" 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 environments like marine and chemical applications.
- High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and stress conditions.
- Rockwell B70 hardness provides excellent durability and wear resistance for long service life.
- Fully threaded UNC coarse pattern delivers superior holding power and faster installation in various materials.
- External hex drive design allows for easy tightening with standard tools, reducing assembly time.
- Precise Class 2A thread fit guarantees consistent engagement and reduces the risk of cross-threading.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety.
Professional Applications & Engineering Value
This 1/2"-13 UNC 651 Silicon Bronze hex head screw is engineered to address common industrial challenges, such as corrosion in marine, coastal, and chemical processing environments. The silicon bronze material offers inherent resistance to saltwater and corrosive elements, reducing maintenance costs and downtime. With a coarse thread pattern and fully threaded design, it provides enhanced grip and vibration resistance in wood, metal, and composite assemblies, making it ideal for heavy-duty applications like shipbuilding, offshore structures, and industrial machinery. The external hex drive facilitates quick installation with standard wrenches, improving efficiency in high-volume projects while maintaining 70,000 PSI tensile strength for secure, long-lasting fastening solutions.
Specification Summary & Compliance
This screw features a 1/2"-13 UNC coarse thread with Class 2A fit for precise dimensional accuracy and reliable performance. It meets ASME B18.2.1 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard quality for professional use.
