S-91310A732 M12 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
- High tensile strength of 150,000 psi ensures reliable performance under extreme loads, reducing failure risks in demanding applications
- Class 10.9 strength grade with Rockwell C32 hardness provides superior durability and resistance to deformation
- Coarse thread spacing with 1.75 mm pitch enables faster installation and better vibration resistance in industrial environments
- Class 6g thread fit maintains precise dimensional accuracy for consistent mating with nuts and threaded components
- Partially threaded design allows for controlled clamping force distribution and secure fastening in structural assemblies
- External hex drive with 19 mm head width offers excellent torque transmission and compatibility with standard tools
- Full compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
These M12 hex head screws deliver exceptional engineering value in heavy-duty applications where high tensile strength and reliability are critical. The Class 10.9 steel construction combined with Rockwell C32 hardness provides superior resistance to shear forces and fatigue, making them ideal for structural frameworks, machinery assembly, and automotive components. The coarse metric thread with 1.75 mm pitch ensures rapid installation in production environments while maintaining vibration resistance. With partial threading and external hex drive, these fasteners offer controlled clamping and easy maintenance access. Meeting ISO 4014 DIN 931 standards, they provide interchangeability and quality assurance for global engineering projects across construction, manufacturing, and equipment maintenance sectors.
Specification Summary & Compliance
This M12 x 1.75 hex head screw features Class 6g thread fit tolerance for precise dimensional accuracy and 70 mm length with 30 mm minimum thread length. Manufactured to ISO 4014 DIN 931 specifications with right-hand metric threading. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across international markets.
