S-93190A384 1/2"-20 x 1 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 with 316 Stainless Steel construction, ideal for harsh chemical and marine environments
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 2A thread fit guarantees smooth assembly and consistent clamping force in critical applications
- External hex drive design provides secure tool engagement and efficient installation with standard wrenches
- Fine UNF thread spacing offers better adjustment control and resistance to loosening compared to coarse threads
- Full threading along the 1-1/2" length allows maximum flexibility in material thickness and nut placement
- Compliance with ASME B18.2.1 and environmental regulations ensures quality consistency and safe usage in regulated industries
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 1/2"-20 UNF hex head screw delivers exceptional value in applications where corrosion resistance and mechanical reliability are paramount. The 316 Stainless Steel material provides outstanding protection against chlorides, acids, and extreme temperatures, making it ideal for chemical processing, marine equipment, and food-grade machinery. With its fine thread spacing and Class 2A fit, it ensures vibration-resistant fastening in precision assemblies, while the external hex drive enables high-torque installation without stripping. Fully threaded along its 1-1/2" length, it accommodates varying material depths in structural frameworks, pump systems, and heavy-duty enclosures, reducing inventory needs for multiple screw sizes.
Specification Summary & Compliance
This hex head screw features a 1/2"-20 UNF fine thread with Class 2A dimensional tolerance for consistent fit and performance. Manufacturing and quality adhere to ASME B18.2.1 specifications, ensuring interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances for safe use in global markets.
