S-92327A823 1/2"-13 x 1 1/2" ASME B18.2.1, SAE J429 Square Head Screws
Square 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 strength and durability with 120,000 PSI tensile strength and Rockwell C25 hardness, ideal for high-stress industrial applications.
- Superior corrosion resistance provided by the zinc yellow-chromate plating, extending service life in harsh environments.
- Reliable and precise fit due to Unified Standard Class 3A thread fit, ensuring secure fastening and vibration resistance.
- Easy installation and removal with the external square drive and square head design, allowing for high-torque application with standard tools.
- Heavy-duty performance backed by SAE Grade 5 classification, meeting rigorous standards for medium strength applications.
- Versatile coarse threading (UNC) for quick assembly and effective grip in a wide range of materials.
- Full threading along the 1 1/2" length provides consistent holding power and flexibility in adjustment.
Professional Applications & Engineering Value
This 1/2"-13 UNC Square Head Screw is engineered to solve critical fastening challenges in demanding industrial settings. The SAE Grade 5 steel construction, combined with a zinc yellow-chromate finish, offers robust protection against corrosion and wear, making it suitable for machinery, structural assemblies, and outdoor equipment. The coarse thread and Class 3A fit ensure rapid, secure installation with minimal risk of cross-threading, while the square head and external drive allow for high torque application without slippage. Ideal for construction, automotive, and heavy equipment applications, this screw provides reliable, long-lasting performance where vibration resistance and high tensile strength are paramount.
Specification Summary & Compliance
This product adheres to Unified Standard Class 3A thread fit and UNC coarse thread specifications, with precise dimensions including a 1/2"-13 thread size and 1 1/2" length. It complies with ASME B18.2.1 and SAE J429 standards, ensuring consistent quality and performance. The screw is manufactured from steel with a zinc yellow-chromate plating for enhanced durability and meets common industry requirements for medium strength fasteners, including relevant material and safety regulations.
