S-93516A634 3/8"-16 x 2 1/2" 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 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
- Full threading design offers maximum grip and uniform stress distribution along the entire fastener length
- External hex drive with standard 9/16" head width enables easy installation with common tools
- Class 2A thread fit with UNC coarse threading ensures smooth assembly and reliable engagement
- Comprehensive regulatory compliance including RoHS 3 and REACH for environmentally responsible sourcing
Professional Applications & Engineering Value
Engineered specifically for marine applications and harsh industrial environments, these 651 Silicon Bronze hex head screws solve critical corrosion challenges where standard steel fasteners fail. The silicon bronze material composition provides inherent resistance to saltwater corrosion, chemical exposure, and atmospheric degradation, making them ideal for boat building, offshore structures, and chemical processing equipment. The UNC coarse thread pattern combined with Class 2A thread fit ensures rapid installation and secure fastening in wood, metal, and composite materials. With full threading along the entire 2-1/2" length, these screws distribute clamping force evenly, preventing stress concentration and maintaining joint integrity in heavy-duty applications where vibration and dynamic loads are concerns.
Specification Summary & Compliance
This 3/8"-16 x 2-1/2" hex head screw features precise Class 2A thread fit tolerance with UNC coarse threading (16 threads per inch) manufactured to ASME B18.2.1 specifications. The fastener meets rigorous industry standards including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring environmental responsibility and material safety. The inch system measurement provides dimensional accuracy with 9/16" head width and 15/64" head height for consistent performance across industrial applications.
