S-92865A264 3/4"-10 x 4 3/4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel 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 tensile strength of 120,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc plating provides excellent corrosion resistance, extending the service life of the screw in harsh industrial environments.
- Grade 5 steel construction with Rockwell C25 hardness offers a balance of strength and durability for repeated use.
- UNC coarse threads with Class 2A fit enable faster assembly and better vibration resistance compared to fine threads.
- External hex drive design allows for high torque application with standard tools, simplifying installation and maintenance.
- Partially threaded shank provides unthreaded grip length for improved clamping force in structural joints.
- Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interchangeability in industrial settings.
Professional Applications & Engineering Value
This 3/4"-10 Grade 5 hex head screw is engineered to address critical challenges in heavy-duty assembly, such as structural steel connections, machinery frames, and automotive components. The zinc-plated steel finish combats rust and corrosion in outdoor or high-moisture environments, while the UNC coarse thread design ensures quick engagement and reduced cross-threading risks during high-volume production. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it withstands dynamic loads and vibrations, making it ideal for industrial fasteners in construction, manufacturing, and equipment maintenance. The external hex drive facilitates secure tightening with common wrenches, enhancing efficiency in time-sensitive projects.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring consistent engagement and dimensional accuracy. It is manufactured in compliance with ASME B18.2.1 and SAE J429 specifications for Grade 5 fasteners, covering material and mechanical properties. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial supply chains without hazardous substances.
