S-94792A733 1/4"-20 x 1/2" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws
Stainless Steel Truss Head Phillips 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 and passivated finish.
- Exceptional mechanical strength with a 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-lasting fastening.
- Enhanced load distribution and reduced surface pressure with the wide rounded truss head design.
- Secure and efficient installation provided by the No. 3 Phillips drive and coarse UNC threads for quick assembly.
- Precise and reliable thread fit ensured by the Class 2A tolerance, minimizing the risk of cross-threading.
- Full-length threading offers maximum grip and adjustability along the entire 1/2" length.
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for guaranteed quality and environmental safety.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 1/4"-20 UNC screw is a cornerstone for assemblies exposed to corrosive elements like chemicals, saltwater, and high humidity. The 316 Stainless Steel material provides excellent chemical resistance, significantly outperforming standard grades in aggressive environments. The combination of a rounded truss head and fully threaded coarse thread design ensures a wide bearing surface and robust grip, preventing material damage and loosening under vibration. This makes it ideal for machinery, marine hardware, and chemical processing equipment where durability and corrosion resistance are critical. The Phillips drive facilitates efficient installation, reducing assembly time while maintaining high tensile strength for secure, long-term performance.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC thread with a Class 2A fit for precise dimensional accuracy and reliable engagement. Manufacturing and quality are governed by the ASME B18.6.3 standard. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and meets the latest environmental and safety requirements for industrial components.
