S-92186A387 1/2"-20 x 2 1/4" 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 with 316 stainless steel construction, ideal for harsh chemical and marine environments
- High tensile strength of 70,000 psi ensures reliable performance under significant mechanical loads
- Fine UNF threading (1/2"-20) provides superior vibration resistance and precise clamping force
- Class 2A thread fit guarantees smooth assembly and interchangeability with standard nuts
- External hex drive design allows for high-torque installation with common tools
- Partial threading offers optimal grip length for secure fastening in various material thicknesses
- Compliance with ASME B18.2.1 ensures dimensional accuracy and mechanical reliability
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 316 stainless steel hex head screws deliver exceptional performance in corrosive environments such as chemical processing plants, marine equipment, and food processing machinery. The UNF fine thread spacing provides enhanced resistance to loosening under vibration, a critical advantage in dynamic machinery and transportation equipment. With a Rockwell B70 hardness and 70,000 psi tensile strength, these partially threaded screws maintain structural integrity under sustained mechanical stress. The external hex drive facilitates efficient installation in confined spaces while the Class 2A thread fit ensures consistent engagement with mating components, reducing assembly time and improving production efficiency.
Specification Summary & Compliance
This 1/2"-20 UNF hex head screw features precise Class 2A thread fit tolerances and complies with ASME B18.2.1 manufacturing specifications. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility and workplace safety. Dimensions include 2 1/4" length, 3/4" head width, and 1 1/4" minimum thread length, providing consistent performance across industrial applications.
