S-91274A105 M3 x 10 mm ASTM B117, 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 zinc-flake coating extends service life, even in harsh industrial environments.
- High hardness (Rockwell C37) provides excellent wear resistance and maintains thread integrity during repeated use.
- Precision hex socket drive allows for secure tool engagement and high torque application, minimizing stripping and improving assembly efficiency.
- Fully threaded design offers consistent clamping force along the entire length, enhancing joint stability.
- Compliance with international standards (ISO 4762, DIN 912) guarantees dimensional accuracy and interchangeability.
- RoHS 3 and REACH compliance ensures environmental safety and meets global regulatory requirements for hazardous substances.
Professional Applications & Engineering Value
This M3 socket head cap screw is engineered for demanding applications where reliability under high stress is critical. The zinc-flake-coated alloy steel construction provides robust corrosion resistance, addressing common failure points in exposed or humid conditions. With a Class 12.9 strength rating and 170,000 psi tensile strength, it withstands extreme loads in machinery, automotive assemblies, and precision equipment. The hex socket drive ensures easy installation in confined spaces, while the coarse thread (0.5mm pitch) facilitates quick assembly and reduces cross-threading risks. Ideal for industrial fasteners in aerospace, manufacturing, and heavy equipment, this screw delivers long-term durability and performance consistency.
Specification Summary & Compliance
This screw features M3 x 0.5mm coarse threads with a Class 5g6g thread fit per ISO standards, ensuring precise engagement and reliability. It complies with ISO 4762 and DIN 912 for dimensional accuracy, and meets ASTM B117 for corrosion testing. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, adhering to environmental and safety regulations.
