S-91290A171 M3 x 30 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 hardness (Rockwell C37) provides excellent wear resistance and durability, extending service life in demanding environments.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance and a sleek, non-reflective finish suitable for industrial settings.
- Precise Class 5g6g thread fit guarantees smooth installation and secure fastening, minimizing assembly issues and improving efficiency.
- Standard hex socket drive (2.5mm) allows for easy installation with common tools, reducing assembly time and labor costs.
- Fully threaded M3 x 0.5mm coarse pitch design ensures maximum grip and holding power across the entire length, ideal for vibration-prone applications.
- Compliance with DIN 912/ISO 4762 standards ensures dimensional accuracy and interchangeability, facilitating global sourcing and quality assurance.
Professional Applications & Engineering Value
Engineered for high-performance industrial applications, this M3 socket head cap screw addresses critical challenges in machinery, automotive, and aerospace sectors where vibration resistance and load-bearing capacity are paramount. The black-oxide alloy steel construction combats corrosion in harsh environments, while the Class 12.9 strength rating and 170,000 PSI tensile strength prevent stripping and fatigue under extreme pressures. Its fully threaded metric design with a coarse 0.5mm pitch ensures rapid assembly and reliable clamping force, reducing maintenance downtime. Ideal for securing critical components in heavy-duty equipment, this fastener delivers consistent performance, backed by international standards for precision and safety.
Specification Summary & Compliance
This screw features M3 x 0.5mm coarse threads with a Class 5g6g thread fit per ISO metric standards, ensuring tight tolerances for secure fastening. It complies with DIN 912 / ISO 4762 for dimensional accuracy and head profile consistency. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and restricted substance compliance for global industrial use.
