S-91381A619 3/8"-16 x 1/2" ASME B18.3 Set Screws
Set 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 with Black-Oxide Alloy Steel construction, extending service life in harsh industrial environments.
- Precise, secure fastening ensured by Class 3A thread fit, minimizing the risk of loosening under vibration and load.
- Reduced surface damage to mating components thanks to the soft brass tip, ideal for protecting delicate surfaces.
- High-strength durability with Rockwell C28 hardness, providing reliable performance in heavy-duty applications.
- Easy installation and removal using a standard 3/16" hex key, facilitating quick maintenance and assembly.
- Wide compatibility with 3/8"-16 UNC coarse threads, making it suitable for various standard industrial equipment.
- Regulatory compliance with ASME B18.3, RoHS, and REACH, ensuring safety and environmental standards are met.
Professional Applications & Engineering Value
This 3/8"-16 UNC set screw is engineered to address critical fastening challenges in demanding industrial settings. The Black-Oxide Alloy Steel material offers excellent resistance to corrosion and wear, while the Class 3A thread fit provides tight tolerances for secure connections that resist vibration-induced loosening. The integrated brass tip prevents galling and damage to shafts or hubs, making it ideal for precision machinery, motor assemblies, and power transmission systems. Its headless design and hex drive allow for flush mounting and easy access in confined spaces, enhancing both installation efficiency and operational reliability. This set screw is a trusted solution for applications requiring robust, long-lasting fastening without compromising component integrity.
Specification Summary & Compliance
This set screw features a 3/8"-16 UNC coarse thread with a Class 3A thread fit for high precision. It complies with ASME B18.3 manufacturing standards and is certified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations. The product maintains consistent dimensions, including a thread diameter of 0.375" and a length of 1/2", for reliable performance in industrial fastening applications.
