S-90585A583 5/16"-18 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 with 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance
- Enhanced durability and protection through passivated finish, reducing wear and extending service life
- Precise, secure fastening with Class 3A thread fit and UNC coarse threads, ensuring vibration resistance and easy installation
- Optimized for flush mounting with standard flat head profile and 82° countersink angle, providing a smooth, professional finish
- Efficient installation and removal using 3/16" hex drive, allowing for high torque application without slippage
- Full regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for safe, globally accepted use
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 316 stainless steel flat head screws deliver exceptional performance where corrosion resistance and structural integrity are critical. The passivated finish enhances surface protection against oxidation and chemical attack, making them ideal for marine, chemical processing, and food industry applications. With a Class 3A thread fit and UNC coarse threading, they provide superior grip and vibration resistance in high-stress assemblies. The fully threaded design ensures maximum holding power across the entire 1" length, while the flat head with 82° countersink allows for seamless, flush installations in precision machinery and structural components.
Specification Summary & Compliance
This screw features precise 5/16"-18 UNC coarse threads with Class 3A fit for tight tolerances and reliable engagement. Manufacturing adheres to ASME B18.3 specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence for global industrial use.
