S-91290A217 M8 x 90 mm DIN 912, ISO 4762 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 tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Class 12.9 strength rating provides superior load-bearing capacity and fatigue resistance for demanding industrial environments.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance and a durable, non-reflective finish.
- Fully threaded M8 coarse pitch (1.25mm) design allows for maximum grip and easier alignment in various materials.
- Precision hex socket drive (6mm) enables high torque application and secure installation with minimal risk of stripping.
- Rockwell C37 hardness ensures excellent wear resistance and long-term durability under repetitive loads.
- Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability in global applications.
Professional Applications & Engineering Value
This Class 12.9 socket head cap screw is engineered for heavy-duty industrial applications where reliability is critical. The black-oxide alloy steel construction provides superior resistance to rust and wear, making it ideal for machinery, automotive assemblies, and construction equipment exposed to harsh conditions. The fully threaded M8 x 1.25mm coarse pitch design ensures strong holding power and simplifies installation in high-vibration environments, reducing maintenance needs. With its high tensile strength and precision hex drive, it delivers consistent performance in demanding sectors like aerospace, manufacturing, and robotics, where fastener integrity directly impacts operational safety and efficiency.
Specification Summary & Compliance
This screw features M8 x 1.25mm coarse threads with a Class 5g6g thread fit for precise engagement and tolerance. It adheres to DIN 912/ISO 4762 specifications for dimensional accuracy and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality.
