S-92210A414 5-40 x 1" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive Flat 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 and passivated finish, ensuring longevity in harsh environments.
- High tensile strength of 70,000 psi provides reliable, secure fastening for demanding industrial applications.
- Precise Class 3A thread fit guarantees excellent engagement and vibration resistance in assemblies.
- Fully threaded design offers maximum grip and load distribution along the entire 1" length.
- Standard 82° countersink angle allows for a flush, professional finish in countersunk holes.
- Hex drive (5/64") enables easy installation and high torque application without cam-out.
- Compliance with ASME B18.3, RoHS, and REACH ensures product reliability and environmental safety for global supply chains.
Professional Applications & Engineering Value
This 5-40 UNC flat head screw is engineered to address critical fastening challenges in industries where corrosion resistance and mechanical reliability are paramount. The combination of 18-8 stainless steel and a passivated finish significantly enhances durability against oxidation and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment. The coarse UNC thread and Class 3A fit provide superior holding power in materials like aluminum and soft metals, reducing the risk of thread stripping. Its flat head with 82° countersink ensures a smooth, flush surface finish, essential for aerodynamic and safety-critical assemblies. These screws deliver consistent performance in high-stress applications, from machinery frames to electronic enclosures, ensuring long-term operational integrity.
Specification Summary & Compliance
This screw features a 5-40 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.3 standards and is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting stringent environmental and safety regulations for industrial use.
