S-91280A372 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
- Superior load-bearing capacity with 110,000 psi tensile strength for reliable performance in demanding applications
- Enhanced durability through Rockwell C21 hardness steel construction resisting wear and deformation
- Precision fine threading (M10x1.25mm Class 6g) ensures secure fit and vibration resistance in critical assemblies
- Full thread coverage along the 40mm length provides maximum grip and distribution of clamping forces
- External hex drive design enables high-torque installation with standard tools for efficient assembly
- Compliance with international standards including ISO 8676/DIN 961 for guaranteed interchangeability and quality
- Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations for global supply chain compatibility
Professional Applications & Engineering Value
These Class 8.8 steel hex head screws deliver exceptional engineering value through their optimized metric fine threading and high-strength steel construction. The M10x1.25mm thread profile with Class 6g tolerance provides superior resistance to vibrational loosening in dynamic equipment, while the fully threaded design ensures consistent clamping force distribution across the entire 40mm length. The external hex drive accommodates high installation torque requirements common in industrial machinery, automotive assemblies, and structural frameworks. Manufactured to ISO 8676 specifications (DIN 961), these black steel fasteners offer reliable performance in applications where precision threading and corrosion resistance are critical for long-term operational integrity.
Specification Summary & Compliance
This metric hex head screw features M10x1.25mm fine threading with Class 6g thread fit tolerance, 40mm length, and Class 8.8 strength grade providing 110,000 psi tensile strength. Manufactured in compliance with ISO 8676 standard (DIN 961) for dimensional accuracy and performance consistency. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial applications requiring certified material compliance.
