S-95373A176 3/8"-16 x 4" 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
- Precise Class 2A thread fit provides smooth assembly and secure fastening with standard nuts
- External hex drive design allows for easy installation and removal with common wrench tools
- Partially threaded configuration offers optimal grip length while reducing weight and material usage
- Compliance with major industry standards including ASME B18.2.1 ensures consistent quality and interchangeability
- Rockwell B69 hardness rating delivers excellent durability and resistance to deformation under stress
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw delivers exceptional engineering value through its hot-dipped galvanized steel construction and robust mechanical properties. The coarse thread design provides superior resistance to vibration loosening, making it ideal for structural applications, heavy machinery assembly, and construction projects where reliability is paramount. The external hex drive enables high-torque installation without stripping, while the partial threading concentrates strength where needed most. Engineered to withstand demanding industrial conditions, this fastener solves critical challenges in equipment manufacturing, infrastructure development, and maintenance operations where corrosion resistance and 60,000 psi tensile strength are essential for long-term performance.
Specification Summary & Compliance
Manufactured to exacting ASME B18.2.1 specifications with Class 2A thread fit tolerance for consistent performance. The 3/8"-16 UNC coarse thread configuration ensures reliable engagement, while the 4" length with 1" minimum thread length provides optimal fastening capability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting ASTM A307 material standards for carbon steel bolts, studs, and threaded rods.
