S-90447A180 M8 x 120 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 Steel 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
- High tensile strength of 150,000 psi ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
- Class 10.9 strength grade provides superior load-bearing capacity and fatigue resistance for critical assemblies.
- Partially threaded design with M8 coarse 1.25mm pitch offers optimal grip and ease of installation in various materials.
- External hex drive and hex head allow for straightforward tightening with standard tools, improving assembly efficiency.
- Steel construction with Rockwell C32 hardness delivers excellent durability and resistance to wear in harsh environments.
- Compliance with DIN 931 standards guarantees dimensional accuracy and interchangeability for consistent quality.
- RoHS 3 and REACH compliant ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This M8 hex head screw is engineered to address common challenges in heavy-duty applications, such as machinery assembly, construction, and automotive systems. The Class 10.9 steel material and Rockwell C32 hardness provide exceptional resistance to vibration and dynamic loads, minimizing loosening over time. With a coarse 1.25mm thread pitch and partial threading, it ensures secure fastening in soft or brittle substrates while reducing installation time. The external hex drive design facilitates quick torque application, making it ideal for high-volume production lines. By meeting DIN 931 specifications, this screw offers reliable performance in structural and industrial settings where precision and strength are critical.
Specification Summary & Compliance
This product features a metric M8 thread size with 1.25mm coarse pitch and Class 6g thread fit for precise dimensional tolerance. It complies with DIN 931 manufacturing standards, ensuring consistent thread form and head dimensions. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming adherence to environmental and safety regulations for industrial use.
