S-91290A170 M4 x 22 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 prolongs service life in harsh industrial environments, minimizing maintenance needs.
- Precision Class 5g6g thread fit guarantees smooth assembly and secure fastening, enhancing operational efficiency.
- High hardness rating (Rockwell C37) provides excellent wear resistance, maintaining integrity under repetitive loads.
- Standard hex drive (3mm) allows for easy installation with common tools, speeding up assembly processes.
- Fully threaded design offers consistent clamping force along the entire length, improving joint stability.
- Compliance with DIN 912/ISO 4762 ensures interchangeability and reliability in global engineering projects.
Professional Applications & Engineering Value
This M4 socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and environmental degradation. The Black-Oxide alloy steel construction provides a durable barrier against moisture and chemicals, making it ideal for machinery, automotive assemblies, and heavy equipment where corrosion resistance is paramount. Its Class 12.9 strength and coarse thread (0.7mm pitch) deliver robust clamping force, ensuring secure connections in high-load applications. The right-hand thread and precise metric coarse threading facilitate quick installation, reducing downtime in production lines while meeting rigorous DIN 912/ISO 4762 standards for consistent performance.
Specification Summary & Compliance
This screw features an M4 x 0.7mm coarse thread with a Class 5g6g fit, ensuring dimensional accuracy per ISO tolerances. It is manufactured to comply with DIN 912/ISO 4762 specifications for socket head cap screws, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safe industrial use.
