S-91290A297 M3 x 70 mm DIN 912 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 strength and durability with Class 12.9 rating and 170,000 psi tensile strength, ensuring reliable performance in high-stress industrial applications.
- Superior corrosion resistance provided by the black-oxide coating, extending service life in harsh or humid environments.
- Precise and secure installation enabled by the 2.5 mm hex drive and standard socket head, reducing slippage and tool wear.
- Optimized thread engagement with a partially threaded M3 x 0.5 mm coarse thread design, facilitating easier alignment and reducing assembly time.
- High hardness and wear resistance due to Rockwell C37 hardness, maintaining thread integrity under repeated use.
- Broad compatibility and reliability through compliance with DIN 912 standards, ensuring interchangeability and consistent quality.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for safe usage.
Professional Applications & Engineering Value
This M3 socket head cap screw is engineered to address critical challenges in machinery assembly, automotive systems, and heavy-duty equipment. The black-oxide alloy steel construction provides excellent resistance to oxidation and abrasion, reducing maintenance needs in demanding environments. Its partially threaded and coarse thread design ensures quick, secure fastening while minimizing cross-threading risks. With a Class 12.9 strength rating and precise hex drive, it delivers consistent clamping force and torque control, preventing joint failure in high-vibration applications. Ideal for precision engineering, this metric fastener supports efficient production and long-term operational reliability.
Specification Summary & Compliance
This screw features M3 x 0.5 mm coarse threads with a Class 5g6g thread fit for precise dimensional accuracy. It complies with DIN 912 manufacturing standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to international safety and environmental regulations.
