S-91290A291 M27 x 140 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 corrosion resistance from the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
- Precise hex socket drive with a 19mm size allows for secure tool engagement and high torque application without slippage.
- Optimized thread design with a coarse 3mm pitch and Class 5g6g fit provides quick assembly and vibration resistance.
- High hardness rating of Rockwell C37 minimizes wear and deformation, maintaining integrity under repeated loads.
- Partially threaded shank offers flexibility for clamping unthreaded sections, enhancing joint stability.
- Compliance with international standards including DIN 912/ISO 4762, ensuring consistent quality and interchangeability.
Professional Applications & Engineering Value
This M27 socket head cap screw is engineered to address critical challenges in heavy machinery, automotive, and construction sectors where high tensile strength and durability are paramount. The black-oxide alloy steel construction combats rust and wear, ideal for environments exposed to moisture or chemicals. With a coarse metric thread and 19mm hex drive, it enables rapid installation and removal, reducing downtime in assembly lines. The partially threaded design ensures secure fastening in dynamic loads, preventing loosening from vibrations. By meeting DIN 912/ISO 4762 specifications, it guarantees precision fit and long-term reliability in demanding applications like industrial equipment and structural frameworks.
Specification Summary & Compliance
This product adheres to precise dimensional tolerances, including a Thread Fit of Class 5g6g per metric standards, ensuring accurate engagement. It conforms to DIN 912 ISO 4762 for thread and head profiles, providing consistent performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety requirements for industrial use.
