S-93516A208 5/8"-11 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 marine and industrial environments
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
- Coarse UNC thread pattern allows for faster installation and reduced cross-threading risks
- External hex drive design offers secure tool engagement and high torque application capability
- Full threading along the 3 1/4" length delivers maximum grip and holding power
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH for quality assurance
Professional Applications & Engineering Value
Engineered for demanding environments, these 651 Silicon Bronze hex head screws provide critical solutions where corrosion is a primary concern. The silicon bronze composition offers exceptional resistance to saltwater corrosion and chemical exposure, making them ideal for marine applications, offshore structures, and chemical processing facilities. The UNC coarse thread configuration ensures reliable performance in materials where fine threads might strip or fail, while the external hex drive allows for high-torque installation without slippage. These fully threaded screws maintain consistent holding power across their entire length, providing superior clamping force in industrial fastening applications where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
This 5/8"-11 UNC hex head screw features Class 2A thread fit tolerances for precise engagement and reliable performance. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and mechanical properties. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental and safety regulations for industrial components. With a thread diameter of 0.625" and coarse thread spacing, these screws are designed for optimal performance in various industrial and marine fastening applications.
