S-91310A844 M16 x 50 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 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 150,000 psi ensures reliable performance under heavy loads, reducing the risk of fastener failure in critical applications.
- High hardness rating (Rockwell C32) provides superior resistance to wear and deformation, extending the service life of the fastener.
- Class 10.9 strength grade guarantees consistent high performance for demanding industrial and construction uses.
- Partially threaded design allows for secure clamping in specific zones while facilitating easier alignment and installation.
- External hex drive and hex head enable straightforward installation and removal with standard tools, improving assembly efficiency.
- Metric coarse thread (M16x2mm) offers quick assembly and strong holding power in a wide range of materials.
- Compliance with ISO 4014/DIN 931 ensures dimensional accuracy and interchangeability, supporting global engineering standards.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this M16 hex head screw delivers reliable fastening in machinery, structural steel, and automotive assemblies. The Class 10.9 steel construction, combined with a Rockwell C32 hardness, resists vibration loosening and fatigue, addressing common failure points in high-stress environments. Its partially threaded configuration provides optimal grip length for joint integrity, while the external hex drive ensures compatibility with standard wrenches, streamlining maintenance and reducing downtime. Ideal for projects requiring high tensile strength and compliance with international standards, this fastener supports efficient, safe, and durable installations.
Specification Summary & Compliance
This hex head screw features a metric coarse thread (M16x2mm) with a Class 6g thread fit for precise engagement and tolerance. It adheres to ISO 4014/DIN 931 specifications, ensuring consistent dimensions and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various industries.
