S-92865A628 3/8"-16 x 1 1/2" 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
- High 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 service life in various environmental conditions.
- Grade 5 steel construction offers a robust balance of strength and durability, suitable for heavy-duty industrial use.
- Coarse UNC threading with Class 2A fit allows for quicker assembly and better performance in materials prone to stripping.
- External hex drive design enables easy installation and removal with standard tools, improving workflow efficiency.
- Full threading along the 1 1/2" length ensures maximum grip and load distribution across the entire fastener.
- Rockwell C25 hardness provides superior wear resistance, maintaining thread integrity through repeated use.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in industrial assembly, where vibration, heavy loads, and environmental exposure are common. The 3/8"-16 UNC coarse thread design excels in soft materials and applications requiring rapid installation, minimizing cross-threading risks. Made from high-strength steel and finished with a protective zinc plating, it combats corrosion in machinery, construction, and automotive frameworks. The external hex drive ensures secure torque application, preventing slippage during high-stress operations. Ideal for structural connections, equipment manufacturing, and maintenance tasks, this fastener delivers consistent performance under 120,000 PSI tensile loads, reducing downtime and enhancing operational reliability.
Specification Summary & Compliance
This hex head screw adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading per inch system requirements. It meets ASME B18.2.1 and SAE J429 specifications for mechanical properties and design. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures environmental safety and regulatory alignment for global industrial use.
