S-91280A040 M3 x 8 mm ISO 4017, DIN 933 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
- Exceptional Load-Bearing Capability with 110,000 psi tensile strength and Class 8.8 grade, ensuring reliable performance under high-stress conditions.
- Superior Wear and Corrosion Resistance due to steel construction and Rockwell C21 hardness, extending service life in demanding environments.
- Effortless Installation and Removal with an external hex drive and 5.5mm head width, providing secure tool engagement and reducing assembly time.
- Optimized Thread Engagement through fully threaded M3 coarse (0.5mm pitch) design, delivering maximum grip and vibration resistance.
- Precise Thread Fit (Class 6g) ensures consistent, secure fastening with minimal risk of cross-threading or loosening.
- Broad Regulatory Compliance including RoHS 3 and REACH, making them safe for various industrial and export applications.
- Interchangeable Global Standard adherence to ISO 4017/DIN 933, guaranteeing compatibility with existing metric systems and designs.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M3 hex head screws address critical challenges in machinery assembly, automotive components, and structural frameworks. The Class 8.8 steel construction provides robust resistance to dynamic loads and environmental stressors, while the fully threaded metric coarse thread design enhances clamping force distribution, preventing joint failure in high-vibration settings. With a right-hand thread and external hex drive, they enable quick, tool-accessible fastening in confined spaces, reducing downtime and maintenance costs. Ideal for OEMs and MRO operations requiring durable, compliant fasteners that meet stringent ISO 4017/DIN 933 specifications.
Specification Summary & Compliance
This M3 x 0.5mm x 8mm screw maintains precise Class 6g thread fit per metric standards, with a coarse thread pitch for efficient assembly. Manufactured in accordance with ISO 4017 (DIN 933) for dimensional accuracy and mechanical properties. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence for global supply chains.
