S-91280A733 M12 x 70 mm ISO 4017, DIN 933, 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
- Exceptional durability with Class 8.8 strength rating, ensuring reliable performance in demanding industrial environments
- Superior corrosion resistance provided by zinc plating, extending service life in harsh conditions
- Optimal thread engagement with coarse 1.75mm pitch design for faster installation and secure fastening
- Easy installation and removal with standard 19mm external hex head compatible with common tools
- Maximum holding power through full threading along the entire 70mm length for complete fastening coverage
- Precise dimensional accuracy with Class 6h thread fit ensuring consistent performance and compatibility
- High tensile strength of 110,000 PSI with Rockwell C21 hardness for heavy-duty applications
Professional Applications & Engineering Value
This M12 hex head screw delivers exceptional engineering value for industrial applications requiring robust fastening solutions. The Class 8.8 steel construction combined with zinc plating provides superior protection against corrosion and environmental degradation, making it ideal for machinery, structural assemblies, and equipment manufacturing. The coarse thread pitch (1.75mm) ensures quick installation and reliable performance in vibration-prone environments, while the fully threaded design offers maximum grip length for enhanced load distribution. Engineered to ISO 4017/DIN 933 standards, this metric hex bolt maintains dimensional precision for consistent fit and performance across industrial applications, reducing assembly time and maintenance requirements.
Specification Summary & Compliance
Manufactured to precise Class 6h thread fit tolerances with right-hand threading and external hex drive configuration. Complies with international standards including ISO 4017, DIN 933, and ISO 898 for mechanical properties. Meets environmental regulations with RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring safe use across various industrial sectors.
