S-93516A728 1/2"-13 x 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 for long-lasting performance in marine and harsh industrial environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity for demanding applications
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
- Class 2A thread fit with UNC coarse threading delivers secure, easy installation and vibration resistance
- Fully threaded 4" length offers maximum grip and adjustment flexibility in various material thicknesses
- External hex drive design allows for high-torque installation with standard tools
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH for guaranteed quality and environmental safety
Professional Applications & Engineering Value
Engineered specifically for marine applications and harsh environments where corrosion resistance is critical, these silicon bronze hex head screws provide exceptional performance where standard steel fasteners would fail. The 651 silicon bronze material offers superior resistance to saltwater corrosion, making them ideal for boat building, dock construction, and coastal infrastructure. The coarse UNC threading ensures reliable engagement in various materials while the external hex drive facilitates high-torque installation with common tools. With fully threaded design and 4-inch length, these screws deliver maximum holding power in demanding applications where vibration resistance and long-term reliability are essential for structural integrity.
Specification Summary & Compliance
This 1/2"-13 UNC hex head screw features precise Class 2A thread fit tolerances and is manufactured to ASME B18.2.1 specifications for dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated applications. With coarse threading and right-hand thread direction, these screws meet industry standards for heavy-duty fastening requirements in corrosion-prone environments.
