S-91280A246 M5 x 50 mm ISO 4017, DIN 933, 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
- Exceptional tensile strength of 110,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
- Superior corrosion resistance provided by zinc plating extends service life and maintains integrity in harsh or outdoor environments.
- High-strength Class 8.8 steel construction with Rockwell C21 hardness offers excellent durability and resistance to wear and deformation.
- Coarse 0.8mm thread pitch enables faster installation and easier alignment, improving assembly efficiency in industrial settings.
- Fully threaded design ensures consistent grip and clamping force along the entire 50mm length, enhancing joint stability.
- Precise Class 6h thread fit guarantees secure mating with nuts and threaded holes, minimizing loosening from vibrations.
- External hex drive and hex head allow for straightforward installation using standard tools, reducing assembly time and labor costs.
Professional Applications & Engineering Value
Engineered for robust performance, these M5 hex head screws address common industrial challenges such as vibration-induced loosening and environmental degradation. The Class 8.8 steel and zinc plating provide a combination of high tensile strength and corrosion resistance, making them ideal for machinery, automotive assemblies, and structural frameworks where reliability is critical. The coarse metric thread with a 0.8mm pitch ensures quick, secure fastening even in materials prone to stripping, while the fully threaded design distributes load evenly. By complying with ISO 4017 and DIN 933 standards, these screws deliver consistent quality and interoperability, reducing downtime and maintenance costs in professional applications.
Specification Summary & Compliance
This product features precise Class 6h thread fit per metric standards, ensuring accurate engagement. It meets ISO 4017 and DIN 933 specifications for dimensional and mechanical properties, along with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety. Manufactured under ISO 898 guidelines, it guarantees consistent strength and reliability in industrial use.
