S-91280A368 M6 x 110 mm ISO 4014, DIN 931 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
- Exceptional tensile strength of 110,000 psi ensures reliable performance in high-stress industrial and construction applications.
- Superior corrosion resistance with zinc plating, extending service life in harsh or outdoor environments.
- High hardness rating of Rockwell C21 provides excellent wear resistance and durability under repetitive loads.
- Coarse 1 mm thread pitch enables faster installation and reduced cross-threading risks in coarse materials.
- Partially threaded design allows for precise clamping force control and secure joint fastening.
- Class 8.8 strength grade guarantees consistent mechanical properties for critical fastening requirements.
- External hex drive offers high torque capability and compatibility with standard wrenching tools.
Professional Applications & Engineering Value
Engineered for demanding industrial and construction projects, this M6 hex head screw delivers optimal performance where reliability is non-negotiable. The Class 8.8 steel construction, combined with Rockwell C21 hardness, ensures resistance to deformation and fatigue under heavy loads. Its coarse metric thread with 1 mm pitch facilitates quick assembly in wood, metal, and composite materials, reducing installation time while maintaining joint integrity. The zinc plating finish provides a protective barrier against moisture and chemicals, making it ideal for outdoor machinery, structural frameworks, and equipment subjected to variable environmental conditions. With partial threading, it allows unthreaded shank sections to act as precision dowels, minimizing shear stress and improving alignment in assembled structures.
Specification Summary & Compliance
This fastener adheres to ISO 4014 and DIN 931 specifications, ensuring dimensional accuracy with Class 6h thread fit for consistent engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming the absence of hazardous substances. The metric coarse thread (M6 x 1 mm) and right-hand direction follow standardized industrial practices, while the 110 mm length and 18 mm minimum thread length provide versatile fastening options for various material thicknesses.
