S-91280A789 M14 x 65 mm ISO 4014, DIN 931, 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
- Superior tensile strength of 110,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc plating provides excellent corrosion resistance, extending the service life of the screw in harsh industrial environments.
- Class 8.8 strength grade offers high durability and load-bearing capacity, ideal for heavy-duty machinery and construction.
- Partially threaded design allows for secure clamping in assemblies where unthreaded shank sections improve shear resistance.
- External hex drive enables easy installation and removal with standard tools, saving time and labor costs.
- Coarse metric thread (M14 x 2 mm) ensures quick assembly and strong holding power in various materials.
- Compliance with ISO 4014 and DIN 931 guarantees dimensional accuracy and interchangeability, streamlining procurement and inventory management.
Professional Applications & Engineering Value
This M14 hex head screw is engineered to address critical challenges in industrial settings, such as vibration loosening and structural integrity. Made from Class 8.8 steel with a Rockwell C21 hardness, it withstands high-stress conditions in heavy-duty applications like construction, automotive assemblies, and machinery. The partially threaded configuration provides enhanced shear strength, while the zinc-plated finish combats corrosion, reducing maintenance needs. Its external hex drive and coarse thread facilitate rapid installation, making it a cost-effective solution for projects requiring high tensile strength and long-term reliability.
Specification Summary & Compliance
This screw adheres to precise Class 6h thread fit and ISO 4014/DIN 931 standards, ensuring dimensional consistency and compatibility. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety, with specifications including a length of 65 mm, partial threading, and right-hand thread direction for standardized use.
