S-91502A128 M4 x 18 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 industrial applications, reducing failure risks.
- Blue-dyed zinc-plated alloy steel provides superior corrosion resistance, extending service life in harsh environments.
- Class 12.9 strength rating guarantees maximum durability and load-bearing capacity for critical assemblies.
- Precision Class 5g6g thread fit with coarse pitch enables quick, secure installation and vibration resistance.
- Standard hex socket drive (3mm) allows for easy access and high torque application in confined spaces.
- Full threading (M4 x 0.7mm) ensures consistent grip along the entire 18mm length for uniform clamping force.
- Rockwell C37 hardness maintains structural integrity under repetitive loads, minimizing wear and deformation.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these M4 socket head cap screws address critical challenges in machinery, automotive, and equipment assembly. The alloy steel construction with Class 12.9 strength provides exceptional resistance to dynamic loads and fatigue, preventing loosening in high-vibration environments. The coarse metric thread (0.7mm pitch) facilitates rapid installation and reduces cross-threading risks, while the blue-dyed zinc plating enhances both corrosion protection and part identification. Fully compliant with DIN 912/ISO 4762 standards, these screws ensure dimensional accuracy and interchangeability in global supply chains, delivering reliable performance in precision engineering projects.
Specification Summary & Compliance
This socket head cap screw features M4 x 0.7mm coarse threads with Class 5g6g thread fit per ISO metric standards, ensuring precise engagement. Manufacturing adheres to DIN 912/ISO 4762 specifications for dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material traceability for industrial use.