S-91280A201 M12 x 16 mm ISO 4017, DIN 933 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 load-bearing capacity with Class 8.8 strength grade and 110,000 psi tensile strength for reliable performance in demanding applications
- Enhanced durability and wear resistance thanks to Rockwell C21 hardness steel construction
- Easy installation and removal with standard external hex drive and 19mm head width for common tool compatibility
- Secure fastening in various materials with coarse M12x1.75mm thread and Class 6g fit for optimal grip
- Full-length threading ensures maximum engagement and holding power across the entire 16mm length
- Compliance with international standards including ISO 4017 (equivalent to DIN 933) for guaranteed dimensional accuracy
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe industrial use
Professional Applications & Engineering Value
This M12 hex head screw delivers exceptional engineering value in industrial applications where vibration resistance and structural integrity are critical. The Class 8.8 steel construction provides reliable performance in heavy machinery, construction equipment, and automotive assemblies, while the fully threaded metric design ensures uniform stress distribution. The coarse thread pitch (1.75mm) enables faster installation in softer materials and resists loosening under dynamic loads. With external hex drive compatibility, maintenance teams can quickly service equipment using standard tools, reducing downtime in manufacturing and assembly operations.
Specification Summary & Compliance
This hex head screw features precise metric threading with M12x1.75mm dimensions and Class 6g thread fit tolerance according to ISO standards. Manufacturing conforms to ISO 4017 specifications (equivalent to DIN 933) ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial supply chains and environmentally conscious operations.
