S-94967A517 3/8"-16 x 3/4" ASME B18.2.1, ASTM B117, 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 corrosion resistance with black protective coating, ideal for harsh industrial environments
- Reliable high-strength performance with Grade 5 rating and 120,000 psi tensile strength for demanding applications
- Precise Class 2A thread fit ensures smooth assembly and secure fastening in coarse UNC threads
- Full threading design provides maximum grip and load distribution along the entire 3/4" length
- External hex drive compatibility allows for easy installation with standard tools and high torque application
- Comprehensive regulatory compliance meets ASME, ASTM, SAE, RoHS 3, and REACH standards for quality assurance
- Durable Rockwell C25 hardness maintains structural integrity under repeated stress and vibration
Professional Applications & Engineering Value
These Grade 5 hex head screws with black corrosion-resistant coating are engineered to solve critical fastening challenges in industrial settings. The 3/8"-16 UNC coarse threading combined with Class 2A thread fit prevents cross-threading and ensures reliable installation in structural applications, machinery assembly, and heavy equipment. The fully threaded design maximizes engagement in various material thicknesses, while the external hex drive accommodates high-torque applications without stripping. The protective steel coating significantly extends service life in corrosive environments, making these industrial fasteners ideal for outdoor equipment, construction projects, and manufacturing facilities where durability and regulatory compliance are paramount.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with 3/8"-16 UNC coarse threads and right-hand threading direction. Manufacturing complies with ASME B18.2.1 dimensional standards, ASTM B117 corrosion testing, and SAE J429 Grade 5 mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
