S-93516A146 3/8"-16 x 3 1/4" 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
- Superior corrosion resistance for extended service life in harsh environments like marine and chemical processing
- High tensile strength of 70,000 PSI ensures reliable, secure fastening under heavy loads and vibration
- Rockwell B70 hardness provides excellent durability and resistance to wear and galling
- External hex drive design allows for easy installation and high torque application with standard tools
- Coarse UNC threads with Class 2A fit enable quick assembly and reliable performance in various materials
- Full threading along the 3-1/4" length offers maximum grip and adjustability in deep or variable thickness applications
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use
Professional Applications & Engineering Value
Engineered for demanding environments, these 3/8"-16 UNC silicon bronze hex head screws address critical challenges in industrial and marine applications where corrosion and mechanical stress are prevalent. The 651 silicon bronze material offers exceptional resistance to saltwater, chemicals, and atmospheric corrosion, significantly reducing maintenance and replacement costs. The coarse thread and external hex drive facilitate efficient installation in wood, metal, and composite materials, ensuring secure connections in structural, piping, and equipment assemblies. With a 70,000 PSI tensile strength and full threading, these screws provide reliable, long-term performance in high-vibration settings, making them ideal for marine hardware, offshore platforms, and chemical processing plants.
Specification Summary & Compliance
This hex head screw features a 3/8"-16 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring consistent quality and interoperability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for hazardous substance restrictions.
