S-92186A556 1/4"-20 x 3 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 environments like marine and chemical processing.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress in industrial applications.
- Rockwell B70 hardness provides excellent durability and wear resistance, reducing the need for frequent replacements.
- External hex drive design allows for easy installation and removal with standard tools, improving assembly efficiency.
- Class 2A thread fit ensures smooth engagement and consistent fastening, minimizing the risk of cross-threading.
- Partially threaded shank offers flexibility for applications requiring unthreaded grip length, enhancing clamping force control.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global industrial use.
Professional Applications & Engineering Value
This 316 stainless steel hex head screw is engineered to address common industrial challenges, such as corrosion in marine settings or chemical exposure in processing plants. The UNC coarse thread and Class 2A fit provide quick, secure fastening with reduced risk of stripping, while the external hex drive ensures compatibility with standard wrenches for efficient maintenance. With a partially threaded design, it excels in applications where vibration resistance and precise clamping are critical, such as machinery assembly, structural frameworks, and offshore equipment. Its high tensile strength and Rockwell B70 hardness make it a dependable choice for heavy-duty fastening, minimizing downtime and enhancing operational reliability in demanding environments.
Specification Summary & Compliance
This fastener features precise UNC coarse threads with a Class 2A thread fit for consistent dimensional accuracy. It adheres to ASME B18.2.1 manufacturing standards, ensuring reliable performance in industrial applications. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and regulatory requirements.
