S-91310A558 M8 x 80 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
- Maximum load-bearing capacity with 150,000 psi tensile strength and Class 10.9 rating for critical structural applications
- Superior wear resistance due to Rockwell C32 hardness, ensuring long service life under repetitive stress
- Optimized thread engagement through coarse 1.25mm pitch design, enabling faster assembly in industrial settings
- Secure external hex drive provides reliable torque transmission and prevents tool slippage during high-tension fastening
- Precision-machined partial threading allows controlled clamping force distribution across connected components
- Strict dimensional compliance with Class 6g thread fit ensures consistent performance in metric assembly systems
- Environmentally conscious manufacturing through full RoHS 3 and REACH compliance for global supply chain integration
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these M8 hex head screws solve critical fastening challenges in heavy machinery, structural steel frameworks, and automotive assemblies. The Class 10.9 steel construction delivers exceptional resistance to vibration loosening and dynamic loads, while the partially threaded design concentrates clamping force precisely where needed. With ISO 4014/DIN 931 compliance, these metric coarse thread screws guarantee dimensional interoperability in global manufacturing environments. The external hex drive accommodates standard industrial tools, significantly reducing installation time in high-volume production lines where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to ISO 4014/DIN 931 specifications with Class 6g thread tolerance for precision fit. The M8 x 1.25mm coarse thread configuration ensures optimal performance in general engineering applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, alongside Class 10.9 strength certification confirming 150,000 psi tensile capability and Rockwell C32 hardness standards.
