S-91280A851 M16 x 60 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 corrosion resistance with zinc plating for extended service life in harsh industrial environments
- High tensile strength of 110,000 psi (Class 8.8) ensures reliable performance under heavy loads and vibration
- Precise Class 6h thread fit provides consistent engagement and reduces installation issues
- Fully threaded coarse pitch design enables faster assembly and superior holding power
- External hex head with 24mm width offers excellent torque transmission and tool accessibility
- Rockwell C21 hardness maintains structural integrity under repeated stress and wear
- Multi-standard compliance (ISO 4017, DIN 933, SAE J1199) guarantees interchangeability and quality assurance
Professional Applications & Engineering Value
This M16 hex head screw delivers exceptional engineering value for heavy-duty industrial applications where fastener failure is not an option. The Class 8.8 strength grade combined with 110,000 psi tensile strength provides critical load-bearing capacity for structural connections, machinery assembly, and equipment manufacturing. The zinc plated steel construction offers essential corrosion protection in manufacturing facilities, outdoor installations, and high-humidity environments. The fully threaded metric coarse design ensures maximum thread engagement across the entire 60mm length, distributing stress evenly and preventing loosening under dynamic loads. With external hex drive compatibility, installation and maintenance are streamlined using standard industrial tools, reducing labor time while maintaining Class 6h thread fit precision for consistent performance in automated assembly systems.
Specification Summary & Compliance
This metric hex head screw features M16x2mm coarse thread with Class 6h thread fit tolerance, 60mm length, and fully threaded design. Manufactured to meet ISO 4017, DIN 933, and SAE J1199 specifications for dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
