S-91502A113 M3 x 40 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 (170,000 psi) for reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from blue-dyed zinc plating, extending service life in demanding industrial environments.
- High torque capability with a 2.5 mm hex drive, allowing for secure installation and removal without stripping.
- Precision thread fit (Class 5g6g) ensures smooth assembly and consistent clamping force in metric coarse thread applications.
- Partially threaded design provides optimal grip length (18 mm) for focused engagement, minimizing material stress.
- Class 12.9 strength rating guarantees durability and fatigue resistance under heavy loads and vibrations.
- Compliance with DIN 912/ISO 4762 standards ensures dimensional accuracy and interchangeability in global engineering projects.
Professional Applications & Engineering Value
This M3 socket head cap screw is engineered from alloy steel with a blue-dyed zinc-plated finish, offering both aesthetic identification and enhanced corrosion protection for machinery, automotive, and aerospace assemblies. The partially threaded configuration with coarse thread (0.5 mm pitch) allows for rapid installation and secure fastening in metals and composites, reducing assembly time while maintaining Class 12.9 integrity. Its 2.5 mm hex drive accommodates high torque tools, preventing slippage in confined spaces. Ideal for industrial fasteners requiring precise thread fit and compliance with international standards, it addresses common issues like vibration loosening and environmental degradation.
Specification Summary & Compliance
This screw features a metric M3 x 0.5 mm thread with Class 5g6g thread fit for precise tolerance, a length of 40 mm, and a minimum thread length of 18 mm. It conforms to DIN 912 and ISO 4762 specifications for dimensional accuracy and is compliant with RoHS 3 and REACH regulations, ensuring environmental safety and material reliability in professional use.
