S-91280A868 M16 x 160 mm ISO 4014, DIN 931, SAE J1199, 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 in demanding applications, reducing the risk of fastener failure.
- Class 8.8 strength grade provides a robust balance of strength and ductility, ideal for general engineering and construction uses.
- Zinc plating finish offers superior corrosion resistance, extending the screw's service life in various environmental conditions.
- Partially threaded design allows for secure clamping over a specific grip length, minimizing vibration loosening in assemblies.
- External hex drive and hex head facilitate easy installation and high torque application with standard tools, speeding up assembly processes.
- Coarse metric thread (M16 x 2mm) ensures quick engagement and reduced cross-threading risks, enhancing installation efficiency.
- Rockwell C21 hardness provides excellent wear resistance, maintaining thread integrity through repeated use.
Professional Applications & Engineering Value
This M16 hex head screw is engineered to address common industrial challenges such as joint integrity and corrosion in heavy-duty applications. Made from Class 8.8 steel with a zinc-plated finish, it combats environmental wear while offering high tensile strength for structural frameworks, machinery, and automotive assemblies. The partially threaded metric design ensures precise load distribution, reducing stress concentrations and preventing loosening under dynamic loads. Compliant with ISO 4014 and DIN 931 standards, it guarantees dimensional accuracy and interoperability, making it a trusted choice for engineers seeking durability and compliance in industrial fasteners.
Specification Summary & Compliance
This screw features a metric thread size M16 x 2mm with coarse spacing and a Class 6h thread fit for precise tolerance. It meets key standards including ISO 4014, DIN 931, SAE J1199, and ISO 898, ensuring consistent quality and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in global markets.
