S-98093A771 M12 x 50 mm ASME B18.2.3.9M, SAE J1199 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws
High-Strength Metric Class 10.9 Steel Flanged 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
- Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to black-phosphate steel coating that extends service life in harsh environments
- Enhanced stability and distribution from the integrated flange design that prevents loosening under vibration
- Optimized torque transmission through the external hex drive and 18mm head width for secure installation
- Precision threading with Class 6g fit and coarse 1.75mm pitch ensuring quick assembly and strong holding power
- Heavy-duty construction meeting Class 10.9 strength grade and Rockwell C32 hardness for industrial durability
- Regulatory compliance with ASME, RoHS 3, and REACH standards for safe, globally acceptable usage
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M12 hex head screws address critical challenges in machinery assembly, structural frameworks, and automotive components. The black-phosphate steel construction provides superior corrosion protection in environments exposed to moisture and chemicals, while the flanged design eliminates the need for separate washers, reducing assembly time and improving joint integrity. With Class 10.9 strength rating and coarse threading, these metric screws deliver exceptional vibration resistance and fatigue strength, making them ideal for high-stress connections in construction equipment, manufacturing systems, and transportation infrastructure where reliability is paramount.
Specification Summary & Compliance
This M12 x 1.75mm hex head screw features precise Class 6g thread fit according to metric standards, with partial threading over a 30mm minimum length. Manufacturing complies with ASME B18.2.3.9M specifications, ensuring dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial components.
