S-91280A837 M16 x 25 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 protection with zinc plating that extends service life in demanding industrial environments
- Exceptional mechanical strength with Class 8.8 rating and 110,000 psi tensile strength for heavy-duty applications
- Precise thread engagement with Class 6h fit and M16x2mm coarse thread ensuring reliable fastening performance
- Optimized drive efficiency through external hex head design providing secure tool engagement and high torque transmission
- Full thread coverage along the 25mm length enables maximum grip strength and uniform load distribution
- Global compliance assurance meeting ISO 4017, DIN 933, and SAE J1199 standards for international project compatibility
- Environmental regulation compliance with RoHS 3 and REACH adherence for responsible manufacturing practices
Professional Applications & Engineering Value
These M16 hex head screws deliver critical performance in industrial fastening applications where failure is not an option. The Class 8.8 steel construction provides reliable tensile strength (110,000 psi) and Rockwell C21 hardness for structural connections in machinery, equipment assembly, and construction projects. The zinc plated finish offers essential corrosion resistance in environments exposed to moisture and chemicals, while the fully threaded metric design with 2mm coarse pitch ensures rapid installation and secure holding power. The external hex drive accommodates standard tools for efficient maintenance and disassembly operations, making these industrial fasteners ideal for both production and repair scenarios across multiple sectors.
Specification Summary & Compliance
This hex head screw features precise M16x2mm dimensions with Class 6h thread fit tolerance and 25mm length. Manufactured to ISO 4017, DIN 933, and SAE J1199 specifications, ensuring dimensional accuracy and performance consistency. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to international safety and sustainability standards for industrial components.
