S-91247A498 3/4"-16 x 10" 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
- Exceptional load-bearing capacity with 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating that protects against rust and extends service life
- Precise thread engagement with Class 2A fit and UNF fine threading for secure, vibration-resistant connections
- Optimized torque transmission through the external hex drive and 1 1/8" head width for easy installation
- Enhanced durability with Rockwell C25 hardness that maintains structural integrity under stress
- Versatile partial threading allowing both clamping and unthreaded shaft benefits in 10" length applications
- Regulatory compliance assurance meeting ASME B18.2.1, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers exceptional engineering value for heavy-duty industrial applications where reliability is paramount. The 3/4"-16 UNF fine threading provides superior resistance to vibration loosening, making it ideal for machinery, structural assemblies, and equipment subjected to dynamic loads. The zinc plated steel construction offers critical corrosion protection in challenging environments, while the partial threading design allows for both secure fastening and smooth shaft functionality. With 120,000 psi tensile strength and Rockwell C25 hardness, this fastener maintains integrity under extreme pressure, solving common failure points in construction, manufacturing, and automotive applications where standard fasteners prove inadequate.
Specification Summary & Compliance
This 10" hex head screw features precise Class 2A thread fit with 3/4"-16 UNF fine threading and right-hand thread direction. Manufactured to ASME B18.2.1 specifications and SAE J429 Grade 5 standards, it ensures dimensional accuracy and performance consistency. The fastener is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial use.
