S-93190A387 1/2"-20 x 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 due to 316 stainless steel construction
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress
- Fine UNF threading (1/2"-20) provides superior vibration resistance and precise clamping force
- Class 2A thread fit guarantees consistent, easy assembly and interchangeability
- External hex drive and hex head design allows for high-torque installation with standard tools
- Full threading along the 2" length offers maximum grip and flexibility in material thickness
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures material safety and meets rigorous industrial standards
Professional Applications & Engineering Value
This 1/2"-20 UNF hex head screw in 316 stainless steel is engineered to solve critical challenges in demanding industrial settings. Its exceptional corrosion resistance makes it ideal for chemical processing, marine, and outdoor applications where exposure to moisture and corrosive agents is a constant concern. The fine thread spacing and Class 2A thread fit provide superior vibration resistance, preventing loosening in machinery and structural assemblies. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it delivers reliable performance in high-stress connections, while the external hex drive facilitates efficient installation and removal with common tools, reducing assembly time and labor costs in maintenance and manufacturing operations.
Specification Summary & Compliance
This fastener adheres to ASME B18.2.1 dimensional standards, ensuring precise thread fit (Class 2A) and interchangeability. It features a 1/2"-20 UNF fine thread with right-hand direction and is fully threaded along its 2" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
