S-91180A639 M10 x 40 mm ISO 8676, DIN 961 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
- Enhanced corrosion resistance with zinc plating for reliable performance in demanding industrial environments
- Superior load-bearing capacity thanks to Class 8.8 strength grade and 110,000 psi tensile strength
- Precise fine thread engagement with M10x1.25 mm pitch ensuring secure, vibration-resistant connections
- Optimized torque transmission through external hex drive design for efficient installation and removal
- Full thread coverage along the 40 mm length for maximum grip and uniform stress distribution
- Strict quality compliance with ISO 8676 DIN 961 standards for guaranteed dimensional accuracy
- Environmental responsibility through RoHS 3 and REACH compliance for sustainable operations
Professional Applications & Engineering Value
These M10 hex head screws deliver exceptional engineering value in industrial assembly and construction applications where vibration resistance and structural integrity are critical. The Class 8.8 steel construction provides reliable strength for heavy-duty fastening, while the zinc plating offers essential protection against corrosion in exposed environments. The fine thread design (1.25 mm pitch) ensures superior clamping force and prevents loosening under dynamic loads, making these metric fasteners ideal for machinery, structural frameworks, and equipment requiring precise external hex drive installation. Their fully threaded configuration maximizes contact surface area, distributing stress evenly across the entire 40 mm length for enhanced joint reliability.
Specification Summary & Compliance
Manufactured to exact ISO 8676 DIN 961 specifications with Class 6h thread fit tolerance for precision mating. The metric fine thread (M10x1.25 mm) and right-hand threading ensure standardized compatibility across industrial applications. These hex head screws maintain Rockwell C21 hardness and meet comprehensive environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for responsible manufacturing standards.
