S-92865A252 3/8"-16 x 1 1/8" 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 tensile strength – With 120,000 PSI tensile strength, this screw reliably withstands high-stress applications without failure.
- Superior corrosion resistance – Zinc plating provides a durable barrier against rust and environmental degradation, extending service life.
- High hardness for wear resistance – Rockwell C25 hardness ensures the screw maintains its integrity under repeated use and high torque.
- Easy installation and removal – The external hex drive and coarse UNC threads allow for quick assembly and disassembly with standard tools.
- Precise thread fit – Class 2A thread fit ensures smooth engagement and consistent clamping force in a variety of materials.
- Full threading for maximum grip – Fully threaded design provides uniform load distribution along the entire length for secure fastening.
- Compliance with industry standards – Meets ASME B18.2.1 and SAE J429, ensuring reliability and interchangeability in professional settings.
Professional Applications & Engineering Value
Engineered for demanding environments, this Grade 5 steel hex head screw delivers robust performance in heavy-duty machinery, structural assemblies, and industrial equipment. The coarse UNC thread with Class 2A fit resists vibration loosening and enables rapid installation, reducing labor time. Zinc plating combats corrosion in humid or outdoor settings, while the external hex drive accommodates high torque applications without stripping. Ideal for construction, automotive, and manufacturing sectors, it ensures long-term reliability and meets critical ASME B18.2.1 and SAE J429 specifications for consistent quality.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC thread with Class 2A tolerance for precise fit, and is fully threaded for uniform stress distribution. It complies with ASME B18.2.1 and SAE J429 standards, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.
