S-91290A113 M3 x 8 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.
- Superior corrosion resistance from the black-oxide finish on alloy steel extends service life in demanding industrial environments.
- Precision hex drive design with a 2.5 mm drive size allows for secure tool engagement and easy installation in confined spaces.
- Class 12.9 strength rating guarantees high fatigue resistance and durability for heavy-duty mechanical assemblies.
- Coarse thread pitch (0.5 mm) facilitates quick assembly and provides strong holding power in various materials.
- Full threading along the 8 mm length offers uniform load distribution and versatile fastening options.
- Compliance with DIN 912/ISO 4762 standards ensures dimensional accuracy and interchangeability with global metric components.
Professional Applications & Engineering Value
Engineered for high-strength industrial applications, these M3 socket head cap screws address critical needs in machinery, automotive, and precision equipment. The black-oxide alloy steel construction provides excellent resistance to wear and environmental factors, minimizing maintenance in harsh conditions. With a Class 5g6g thread fit and coarse thread spacing, these screws deliver reliable engagement and vibration resistance, preventing loosening in dynamic assemblies. The hex drive style and compact socket head profile enable efficient installation with standard tools, reducing assembly time and improving workflow in B2B procurement scenarios where durability and compliance are paramount.
Specification Summary & Compliance
This product adheres to precise metric dimensions, including an M3 thread size with a 0.5 mm pitch and 8 mm length, conforming to DIN 912 and ISO 4762 standards for thread accuracy and head geometry. The Class 5g6g thread fit ensures consistent performance in tolerance-critical applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible manufacturing and use in global markets.
