S-91280A081 M8 x 16 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
- High tensile strength of 110,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Class 8.8 strength grade provides excellent durability and load-bearing capacity for industrial and construction uses.
- Fully threaded design with coarse pitch (M8 x 1.25mm) allows for faster installation and secure holding in various materials.
- External hex drive and hex head enable easy tightening with standard tools, improving assembly efficiency.
- Rockwell C21 hardness offers superior resistance to wear and deformation, extending service life.
- ISO 4017 (DIN 933) compliance guarantees dimensional accuracy and interchangeability, ensuring consistent quality.
- RoHS 3 and REACH compliant construction meets environmental regulations, making it safe for diverse industrial sectors.
Professional Applications & Engineering Value
This M8 hex head screw is engineered to address critical challenges in industrial applications, such as machinery assembly, automotive components, and structural frameworks. Made from high-strength steel with a Class 8.8 grade, it delivers robust performance under high-stress conditions, preventing loosening and fatigue. The fully threaded, coarse pitch metric design (M8 x 1.25mm) ensures quick, secure fastening in materials like metal and plastic, while the external hex drive simplifies maintenance and disassembly. Compliant with ISO 4017 standards, it provides reliable dimensional consistency, reducing installation errors and enhancing project efficiency in B2B procurement scenarios.
Specification Summary & Compliance
This screw features precise metric threading with a Class 6g thread fit and right-hand coarse pitch (M8 x 1.25mm), ensuring accurate engagement and ease of use. It adheres to ISO 4017 (DIN 933) manufacturing specifications for dimensional tolerance and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial markets.
