S-93190A729 1/2"-13 x 4 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 Stainless 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
- Superior corrosion resistance in harsh environments thanks to 316 Stainless Steel construction
- High tensile strength of 70,000 psi ensures reliable, heavy-duty fastening for demanding applications
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
- Coarse UNC threads and Class 2A thread fit enable faster installation and reliable performance in a wide range of materials
- Fully threaded 4 1/2" length offers maximum grip and holding power across the entire fastener
- External hex drive design allows for high-torque installation with standard tools, simplifying assembly
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental responsibility
Professional Applications & Engineering Value
This 1/2"-13 UNC hex head screw is engineered to solve critical challenges in industrial and marine settings where corrosion resistance and structural integrity are paramount. The 316 Stainless Steel material provides exceptional protection against chlorides and chemicals, preventing failure in aggressive environments. The coarse thread design and Class 2A fit ensure quick, secure fastening in structural steel, machinery, and heavy equipment, reducing assembly time and minimizing the risk of cross-threading. With a 70,000 psi tensile strength and full-threaded 4 1/2" length, it delivers consistent clamping force and vibration resistance, making it ideal for high-stress applications like construction, shipbuilding, and processing equipment where long-term reliability is non-negotiable.
Specification Summary & Compliance
This screw features a 1/2"-13 UNC coarse thread with a Class 2A thread fit for standard tolerance and interchangeability. It is manufactured to meet ASME B18.2.1 dimensional and mechanical specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and safe for industrial use.
