S-91280A275 M6 x 60 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
- Enhanced structural integrity with Class 8.8 strength grade, providing reliable performance under high-stress conditions
- Superior corrosion resistance thanks to the black steel finish, extending service life in harsh industrial environments
- Easy installation and removal with external hex head design, allowing for quick assembly with standard tools
- Optimized load distribution through coarse threading and M6 x 1 mm pitch, reducing the risk of stripping in various materials
- Precise thread fit with Class 6g tolerance, ensuring secure connections and minimizing vibration loosening
- Versatile partial threading on a 60 mm length, offering flexibility for applications requiring both clamped and unthreaded sections
- Compliance with international standards including ISO 4014, guaranteeing consistent quality and interchangeability
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this M6 hex head screw delivers exceptional durability and reliability. The Class 8.8 steel construction, combined with a Rockwell C21 hardness and 110,000 psi tensile strength, ensures resistance to deformation and fatigue in heavy-duty applications like machinery assembly, structural frameworks, and automotive components. Its partially threaded design allows for precise clamping force control, reducing stress concentration and improving joint integrity. The external hex drive facilitates efficient installation in confined spaces, while the coarse metric thread enhances grip in softer materials, making it ideal for industrial screws used in construction, manufacturing, and equipment maintenance.
Specification Summary & Compliance
This fastener adheres to ISO 4014 (equivalent to DIN 931) specifications, ensuring dimensional accuracy with Class 6g thread fit and M6 x 1 mm coarse thread for consistent performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmental and safety standards in global supply chains. The 60 mm length with 18 mm minimum thread length and right-hand thread direction provides reliable fastening solutions for professional use.
