S-93516A112 1/4"-20 x 1 1/8" 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 in harsh environments thanks to 651 Silicon Bronze material, ideal for marine and industrial applications.
- High tensile strength of 70,000 PSI ensures reliable load-bearing capacity and structural integrity under stress.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Fully threaded UNC coarse pattern delivers faster installation and enhanced holding power in various materials.
- External hex drive and hex head design allows for easy, secure tightening with standard tools, reducing assembly time.
- Class 2A thread fit guarantees consistent, precise engagement for smooth installation and reduced cross-threading risks.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 1/4"-20 UNC Silicon Bronze hex head screw is engineered to address critical challenges in demanding settings like marine, chemical, and outdoor infrastructure. The 651 Silicon Bronze composition offers exceptional resistance to saltwater corrosion and atmospheric degradation, reducing maintenance costs and extending service life. With a coarse thread design and fully threaded body, it provides superior grip in soft materials and quick assembly, while the external hex drive ensures efficient torque application. Ideal for heavy-duty fastening in boats, docks, and industrial equipment, it combines high tensile strength and Rockwell B70 hardness to withstand vibration and mechanical stresses, delivering long-term reliability in corrosion-prone environments.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and compatibility. It meets ASME B18.2.1 specifications for hex head screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial applications.
