S-92240A434 1/2"-20 x 1 1/4" 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 secure, durable fastening for demanding industrial and structural applications.
- Precise Class 2A thread fit provides smooth assembly and reliable engagement, reducing the risk of cross-threading.
- Fine UNF thread spacing offers improved vibration resistance and superior clamping force compared to coarse threads.
- External hex drive and hex head design allows for high-torque installation with standard tools, speeding up assembly processes.
- Full threading along the 1 1/4" length ensures maximum grip and versatility for various material thicknesses.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees product quality, safety, and environmental standards are met.
Professional Applications & Engineering Value
Engineered for heavy-duty applications, these 18-8 Stainless Steel hex head screws address critical needs in industrial settings where corrosion resistance and high tensile strength are paramount. The 1/2"-20 UNF fine thread design enhances performance in machinery, structural assemblies, and equipment subjected to vibrations, providing a secure, long-lasting hold. With a Rockwell B70 hardness and fully threaded shank, they ensure consistent performance in demanding environments, from manufacturing plants to outdoor installations. This combination of material properties and Class 2A thread fit minimizes failure risks, supporting efficient maintenance and reducing downtime in B2B procurement scenarios.
Specification Summary & Compliance
This product features a Class 2A thread fit per UNF standards, ensuring precise dimensional accuracy for reliable assembly. It meets ASME B18.2.1 specifications for hex head screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety guidelines. Manufactured in the inch system with a right-hand thread direction, it delivers consistent performance for industrial fastening needs.
