S-93516A595 5/16"-18 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 with 651 Silicon Bronze material, ideal for marine and harsh industrial environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity for demanding applications
- Rockwell B70 hardness provides superior durability and resistance to wear and deformation
- Fully threaded UNC coarse thread design delivers faster installation and improved grip in various materials
- External hex drive and standard hex head allow for easy tightening with common tools, reducing assembly time
- Class 2A thread fit guarantees consistent, precise threading for secure fastening without binding
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety
Professional Applications & Engineering Value
These 5/16"-18 x 3" silicon bronze hex head screws are engineered to address common challenges in corrosive settings, such as marine equipment, chemical processing, and outdoor structures. The 651 silicon bronze material offers inherent resistance to saltwater and atmospheric corrosion, reducing maintenance costs and extending service life. With a fully threaded UNC coarse thread and external hex drive, they provide quick, secure fastening in wood, metal, and composite materials, minimizing the risk of stripping. The high tensile strength and Rockwell B70 hardness ensure reliable performance under vibration and heavy loads, making them a trusted choice for industrial and marine applications where durability and compliance with ASME B18.2.1 standards are critical.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It meets ASME B18.2.1 specifications for hex head screws, ensuring consistent quality and interoperability. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming adherence to environmental and safety regulations for industrial use.
