S-95373A175 3/8"-16 x 3 1/2" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws
Low-Strength 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 corrosion resistance with hot-dipped galvanized finish for long-lasting performance in harsh industrial environments
- High tensile strength of 60,000 psi ensures reliable load-bearing capacity for demanding applications
- Rockwell B69 hardness provides superior durability and resistance to deformation under stress
- Precision UNC coarse threading enables faster installation and reduced cross-threading risks
- Partially threaded design offers optimal clamping force distribution and vibration resistance
- External hex drive configuration allows for high-torque installation with standard tools
- Comprehensive regulatory compliance including RoHS 3 and REACH for global market acceptance
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw delivers exceptional engineering value through its hot-dipped galvanized steel construction, providing superior corrosion protection that extends service life in demanding environments. The partially threaded design ensures optimal clamping force distribution while preventing joint loosening from vibration - a critical consideration for industrial machinery, structural assemblies, and heavy equipment applications. With 60,000 psi tensile strength and Rockwell B69 hardness, this fastener maintains structural integrity under significant mechanical stress. The coarse UNC threading facilitates rapid installation in various materials while the external hex drive accommodates high-torque applications common in construction, manufacturing, and infrastructure projects where reliability is paramount.
Specification Summary & Compliance
This industrial-grade hex head screw features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and 1" minimum thread length on a 3 1/2" overall length. Manufactured to ASME B18.2.1 specifications with material compliance to ASTM A307, ensuring dimensional accuracy and mechanical performance. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial applications.
