S-90124A716 1/2"-13 x 1 1/2" ASME B18.2.1, SAE J429 Steel Wire-Lockable Hex Head Screws
Steel Wire-Lockable 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 tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
- Grade 5 classification guarantees consistent mechanical properties and high durability for critical assemblies.
- UNC coarse threading offers faster installation and superior resistance to vibration loosening compared to fine threads.
- External hex drive design allows for high torque application with standard tools, ensuring secure and efficient fastening.
- Class 2A thread fit facilitates easy assembly while maintaining sufficient engagement for most general-purpose applications.
- Full compliance with ASME B18.2.1 and SAE J429 standards ensures dimensional accuracy and interchangeability with other compliant components.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel hex head screw is engineered to address common industrial challenges such as joint integrity under high stress and environmental corrosion. The 120,000 psi tensile strength and Rockwell C25 hardness make it ideal for structural applications in machinery, construction, and automotive assemblies where heavy-duty fastening is critical. The zinc plating provides a protective barrier against moisture and chemicals, significantly enhancing corrosion resistance in outdoor or corrosive settings. Its UNC coarse thread and external hex drive enable quick installation and disassembly, reducing labor time while maintaining a secure hold. Fully compliant with ASME B18.2.1, this screw ensures reliable performance and compatibility in professional engineering projects requiring standardized, high-strength industrial screws.
Specification Summary & Compliance
This fastener meets Class 2A thread fit tolerances for consistent engagement and is manufactured in accordance with ASME B18.2.1 and SAE J429 specifications. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations for hazardous substances.
