S-90172A639 3/8"-16 x 4 1/4" ASTM A307 Hanger Bolts
Hanger Bolts
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Basic Information
Head Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
- Exceptional load-bearing capacity with 50,000 PSI tensile strength for reliable performance in heavy-duty applications
- Optimized thread engagement with Class 1A UNC coarse threading ensuring quick installation and secure fastening
- Versatile hanging solutions with integrated eye design supporting cables, chains, and rigging components
- Enhanced material durability with Rockwell B68 hardness providing excellent resistance to deformation under stress
- Precise partial threading (2 7/8" threaded section) allowing for controlled depth adjustment and secure mounting
- Regulatory compliance assurance meeting international environmental and safety standards including RoHS 3 and REACH
Professional Applications & Engineering Value
This zinc-plated steel hanger bolt delivers critical engineering solutions for industrial suspension systems and structural hanging applications. The 3/8"-16 UNC coarse threading with Class 1A thread fit provides rapid installation while maintaining secure connections in vibration-prone environments. The partially threaded design (2 7/8" threaded length) enables precise depth control when mounting to wood, metal, or composite materials. The integrated eye head design facilitates easy attachment of cables, hooks, and rigging hardware, making it ideal for HVAC installations, electrical conduit support, and mechanical equipment suspension. With 50,000 PSI tensile strength and Rockwell B68 hardness, this fastener maintains structural integrity under sustained loads, while the zinc plating offers essential corrosion protection in industrial settings.
Specification Summary & Compliance
Manufactured to ASTM A307 specifications with Class 1A thread fit tolerance for reliable performance. Features 3/8"-16 UNC coarse threading with right-hand direction and 0.375" screw diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.
