S-91280A730 M12 x 65 mm ISO 4014, DIN 931, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 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
- Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
- High tensile strength of 110,000 psi ensures reliable performance under heavy loads and vibration
- Class 8.8 strength rating with Rockwell C21 hardness provides excellent mechanical durability and fatigue resistance
- Coarse 1.75mm pitch threading enables faster assembly and better performance in softer materials
- Precise Class 6h thread fit guarantees consistent engagement and reduces the risk of cross-threading
- External hex drive design allows for high torque application with standard tools
- Partial threading configuration optimizes clamping force distribution for secure fastening
Professional Applications & Engineering Value
These M12 hex head screws deliver exceptional engineering value across industrial applications where reliability is critical. The Class 8.8 steel construction provides the necessary strength for structural connections, machinery assembly, and heavy equipment manufacturing. The zinc plating finish offers essential corrosion protection in environments exposed to moisture and chemicals, while the coarse metric thread with 1.75mm pitch ensures rapid installation and superior performance in cast iron, aluminum, and other common industrial materials. The partially threaded design concentrates clamping force precisely where needed, preventing joint loosening under dynamic loads. These ISO 4014/DIN 931 compliant fasteners are engineered to maintain integrity in high-stress applications, from construction frameworks to automotive assemblies.
Specification Summary & Compliance
This M12 hex head screw features precise Class 6h thread fit according to metric standards, with dimensions conforming to ISO 4014 and DIN 931 specifications. The mechanical properties meet ISO 898 Class 8.8 requirements, ensuring consistent performance across industrial applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use in regulated industries.
