S-92965A628 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
- Enhanced Durability - Grade 5 steel construction with Rockwell C25 hardness ensures long-term reliability in demanding environments
- Superior Tensile Strength - 120,000 PSI tensile capacity provides exceptional load-bearing capability for heavy-duty applications
- Corrosion Resistance - Black oxide finish protects against rust and extends service life in industrial conditions
- Secure Fastening - UNC coarse thread design with Class 2A fit ensures reliable engagement and vibration resistance
- Industry Compliance - Meets ASME B18.2.1/SAE J429 specifications for guaranteed performance and interchangeability
- Easy Installation - External hex drive with 9/16" head width allows for standard wrench access and efficient torque application
- Optimized Threading - Partially threaded design with 1" minimum thread length provides precise clamping control
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical engineering solutions for industrial and construction applications where heavy-duty fastening is paramount. The 3/8"-16 UNC coarse thread configuration provides superior resistance to vibration loosening, while the black oxide finish offers essential corrosion protection in challenging environments. The partially threaded design ensures optimal clamping force distribution, making these external hex drive screws ideal for machinery assembly, structural steel connections, and equipment manufacturing. With 120,000 PSI tensile strength and Rockwell C25 hardness, these fasteners maintain integrity under extreme mechanical stress, reducing maintenance frequency and downtime in critical operations.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Complies with ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) compliance for environmental safety. Features right-hand UNC coarse threads with 1-1/2" overall length and partially threaded shank design for controlled fastening applications.
