S-91280A845 M16 x 55 mm ISO 4017, DIN 933, SAE J1199, 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 load-bearing capacity with Class 8.8 strength rating and 110,000 psi tensile strength for reliable performance in high-stress applications
- Enhanced corrosion resistance provided by zinc plating, extending service life in harsh industrial environments
- Precise thread engagement with Class 6h fit and M16x2 mm coarse thread design for faster assembly and secure fastening
- Optimal torque transmission through external hex drive and 24mm head width, allowing for efficient installation with standard tools
- Full threading along 55mm length ensures maximum grip and uniform stress distribution across the entire fastener
- Consistent hardness properties with Rockwell C21 rating, maintaining dimensional stability under repeated loads
- Global compliance assurance meeting ISO 4017, DIN 933, SAE J1199, and ISO 898 standards for international project compatibility
Professional Applications & Engineering Value
This M16 hex head screw delivers critical engineering value through its Class 8.8 steel construction and metric coarse threading, specifically designed to address common industrial fastening challenges. The combination of zinc plating and fully threaded design provides reliable corrosion protection while ensuring maximum thread engagement in structural applications. Engineers specify these external hex drive fasteners for heavy machinery, construction frameworks, and manufacturing equipment where vibration resistance and consistent clamping force are essential. The right-hand thread direction and standardized dimensions enable quick installation and maintenance, reducing assembly time while maintaining the integrity of critical connections under dynamic loading conditions.
Specification Summary & Compliance
Manufactured to precise Class 6h thread fit tolerances with M16x2 mm coarse thread specifications. Complies with international standards including ISO 4017, DIN 933, SAE J1199, and ISO 898. Meets environmental regulations with RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance for industrial applications worldwide.
