S-90128A279 M8 x 50 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 durability and load-bearing capacity for demanding industrial environments.
- Zinc-plated alloy steel construction offers excellent corrosion resistance, extending service life in harsh conditions.
- Hex socket drive design allows for high torque application and secure installation in confined spaces.
- Coarse M8 x 1.25mm thread enables quick assembly and strong holding power in various materials.
- Partially threaded shank provides optimal clamping force distribution and prevents thread damage during installation.
- Rockwell C37 hardness maintains dimensional stability under heavy loads and repeated use.
Professional Applications & Engineering Value
Engineered for high-performance industrial applications, this Class 12.9 socket head cap screw delivers exceptional reliability in machinery assembly, automotive components, and heavy equipment manufacturing. The zinc-plated alloy steel construction provides critical corrosion protection in demanding environments, while the M8 coarse thread design ensures rapid installation without compromising joint integrity. The hex socket drive enables precise torque control in space-constrained applications, making it ideal for high-strength fastening solutions where vibration resistance and long-term performance are paramount. With its partially threaded configuration, this fastener optimizes clamp load distribution, preventing material damage and maintaining structural stability in critical connections.
Specification Summary & Compliance
This metric socket head cap screw features M8 x 1.25mm coarse threads with Class 5g6g thread fit tolerance, ensuring precise engagement and reliable performance. Manufactured to DIN 912/ISO 4762 standards with a 50mm length and 28mm minimum thread length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry requirements for hazardous substance restrictions.
