S-92210A453 5/8"-11 x 2 3/4" 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 with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Exceptional tensile strength of 70,000 psi ensures reliable, long-lasting fastening under heavy loads.
- Precise Class 3A thread fit provides smooth assembly and secure engagement in coarse-threaded applications.
- Fully threaded design maximizes grip and holding power across the entire 2 3/4" length.
- Easy installation and removal with a 3/8" hex drive, reducing tool slippage and assembly time.
- Standard 82° countersink angle allows for a flush, professional finish in flat head applications.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards.
Professional Applications & Engineering Value
This 5/8"-11 UNC flat head screw in 18-8 stainless steel is engineered to address critical challenges in demanding industrial settings. Its passivated finish enhances resistance to rust and chemical exposure, making it suitable for outdoor, marine, or chemical processing applications. The coarse UNC threading and Class 3A fit ensure quick, secure fastening in materials like steel or cast iron, reducing the risk of cross-threading. With a Rockwell B55 hardness and 70,000 psi tensile strength, it provides reliable performance in heavy machinery, structural assemblies, and equipment requiring high-strength fasteners. The flat head design with an 82° countersink offers a smooth, flush finish, preventing snagging and improving safety in automated systems.
Specification Summary & Compliance
This screw features a 5/8"-11 UNC coarse thread with Class 3A precision fit, ensuring dimensional accuracy and consistent performance. It is manufactured in compliance with ASME B18.3 standards for flat head screws and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility. The fully threaded design and specified dimensions, including a 2 3/4" length and 0.625" thread diameter, adhere to industrial requirements for reliable fastening solutions.
