S-92240A430 1/2"-20 x 3/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 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 thanks to 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 80,000 psi ensures a secure and durable hold, preventing joint failure under stress.
- Precision Class 2A thread fit provides smooth assembly and consistent clamping force for reliable fastening.
- Fine UNF threading offers increased adjustability and better resistance to vibration loosening compared to coarse threads.
- External hex drive and hex head design allows for high-torque installation with standard tools, speeding up assembly.
- Full threading along the 3/4" length maximizes engagement and provides versatile fastening options.
- Compliance with major industry standards including ASME B18.2.1 guarantees dimensional accuracy and interchangeability.
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw is engineered to solve critical challenges in demanding industrial applications. Its corrosion-resistant material prevents degradation in moist or chemical environments, extending service life and reducing maintenance. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures the fastener can withstand high loads and repeated stress without stripping or shearing. The 1/2"-20 UNF fine thread and Class 2A fit provide superior vibration resistance and precise tension control, making it ideal for machinery, equipment assembly, and structural frameworks where reliable fastening performance is non-negotiable. The external hex drive facilitates quick and secure installation, improving efficiency in production and maintenance operations.
Specification Summary & Compliance
This screw features a 1/2"-20 UNF fine thread with a Class 2A thread fit ensuring precise dimensional tolerances for consistent performance. It is manufactured in accordance with ASME B18.2.1 specifications, guaranteeing interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for use in various markets.
