S-92186A390 1/2"-20 x 3" 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 for extended service life in harsh marine, chemical, and high-moisture environments.
- High tensile strength of 70,000 psi ensures reliable performance and structural integrity under demanding loads.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Precision Class 2A thread fit guarantees consistent, secure fastening with reduced risk of cross-threading.
- Partially threaded design allows for controlled clamping force and optimal grip range in assemblies.
- External hex drive and standard head dimensions enable easy installation and removal with common tools.
- Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH for assured quality and environmental safety.
Professional Applications & Engineering Value
This 316 Stainless Steel Hex Head Screw is engineered to address critical challenges in corrosive and high-stress environments. Its 1/2"-20 UNF fine threading and Class 2A thread fit provide superior vibration resistance and precise engagement, reducing the risk of loosening in dynamic applications. The external hex drive ensures straightforward installation with standard wrenches, speeding up assembly in industrial settings. Ideal for marine equipment, chemical processing systems, and outdoor infrastructure, this screw's partially threaded shank allows for focused clamping force, preventing joint failure. By combining high tensile strength with exceptional corrosion resistance, it minimizes maintenance downtime and extends the lifespan of critical assemblies, delivering long-term reliability for engineering projects.
Specification Summary & Compliance
This screw features a 1/2"-20 UNF fine thread with Class 2A fit for consistent dimensional accuracy. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both performance reliability and regulatory adherence for industrial use.
