S-91502A291 M20 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 of 170,000 psi ensures reliable performance in high-stress applications, preventing fastener failure.
- Superior corrosion resistance from the blue-dyed zinc plating protects against harsh industrial environments, extending service life.
- High hardness rating (Rockwell C37) provides excellent wear resistance and durability under repetitive loads.
- Precision Class 5g6g thread fit guarantees smooth assembly and secure fastening, reducing installation time and errors.
- Fully threaded design offers maximum grip and clamping force along the entire 40mm length for versatile applications.
- 17mm hex drive socket head allows for high-torque installation with standard tools, ensuring tight and secure connections.
- Compliance with DIN 912/ISO 4762, RoHS 3, and REACH ensures international quality, safety, and environmental standards are met.
Professional Applications & Engineering Value
This M20 socket head cap screw is engineered from Class 12.9 alloy steel, providing an optimal balance of strength and toughness for demanding industrial settings. The coarse M20x2.5 metric thread and fully threaded rod design ensure rapid assembly and uniform stress distribution, minimizing the risk of loosening in vibrating machinery. The blue-dyed zinc-plated finish offers both corrosion resistance and visual identification, streamlining maintenance in harsh environments like heavy equipment, automotive assemblies, and precision machinery. By meeting DIN 912/ISO 4762 standards, it delivers consistent dimensional accuracy and reliability, reducing downtime and enhancing operational safety in heavy-duty industrial applications.
Specification Summary & Compliance
This fastener adheres to precise dimensional tolerances, including a Class 5g6g thread fit per metric coarse thread standards, ensuring compatibility and performance. It is manufactured in compliance with DIN 912 (identical to ISO 4762) for socket head cap screws, guaranteeing consistent quality. Additionally, it is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming it meets stringent environmental and safety regulations for hazardous substances.
