S-91290A375 M16 x 210 mm DIN 912, ISO 4762, ISO 898-1 Alloy Steel Socket Head Screws
Alloy Steel Socket 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 Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress applications.
- Superior corrosion resistance provided by the black-oxide coating, extending service life in harsh industrial environments.
- Precise torque transmission enabled by the 14 mm hex socket drive, reducing tool slippage and ensuring secure fastening.
- Optimized thread engagement with M16 x 2 mm coarse pitch and Class 6g fit for quick assembly and vibration resistance.
- Enhanced durability from Rockwell C37 hardness, maintaining structural integrity under repetitive loads.
- Versatile partial threading allowing unthreaded shank sections for alignment and shear strength in machinery assemblies.
- Global compliance assurance meeting DIN 912, ISO 4762, and ISO 898-1 standards for consistent quality and interchangeability.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M16 socket head cap screws address critical challenges in machinery, automotive, and construction sectors. The black-oxide alloy steel construction combats rust and wear, while the Class 12.9 strength ensures bolts withstand extreme tensile and dynamic stresses without failure. The coarse 2 mm pitch threads facilitate rapid installation in tough materials, and the partially threaded design provides superior resistance to loosening under vibration. Ideal for securing structural frames, engine components, and precision equipment, these metric hex socket screws deliver long-term reliability where safety and performance are paramount.
Specification Summary & Compliance
This product adheres to Class 6g thread tolerance for precise fit and ISO 898-1 mechanical properties. Manufacturing complies with DIN 912 / ISO 4762 dimensional standards, ensuring global interoperability. Environmental and safety regulations are met through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming the absence of restricted hazardous substances.
