S-91310A115 M18 x 70 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 Steel Hex 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 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Class 10.9 strength grade combined with Rockwell C32 hardness provides superior durability and resistance to wear in demanding industrial environments.
- Partially threaded design allows for secure clamping in assemblies where unthreaded shank sections are needed for better load distribution.
- ISO 4014 compliance guarantees precise dimensional accuracy and interchangeability, ensuring easy integration with standardized components.
- Coarse metric thread with 2.5mm pitch enables quick installation and high resistance to vibration loosening in heavy machinery.
- External hex drive and hex head facilitate easy tightening with common tools, improving assembly efficiency in maintenance and production.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global industrial supply chains.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this M18 hex head screw addresses critical challenges in machinery assembly, construction, and automotive sectors. The Class 10.9 steel construction and Rockwell C32 hardness provide exceptional resistance to shear and tensile stresses, preventing failures in high-vibration environments. With a coarse thread pitch of 2.5mm and partial threading, it ensures rapid installation and stable grip in dynamic loads, reducing maintenance downtime. Compliant with ISO 4014 (equivalent to DIN 931), it offers reliable dimensional consistency for metric coarse thread systems, making it ideal for structural frameworks and equipment where precision and durability are paramount.
Specification Summary & Compliance
This fastener features a thread fit of Class 6g per metric standards, ensuring precise tolerance for secure mating. It meets ISO 4014 specifications for dimensional accuracy and is manufactured in accordance with DIN 931 equivalents. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms adherence to environmental and safety standards, supporting use in regulated industrial markets.
