S-95327A818 M20 x 90 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 in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
- High hardness rating (Rockwell C32) provides excellent wear resistance and durability under repetitive loads.
- Precision Class 6h thread fit guarantees smooth assembly and secure fastening, improving installation efficiency.
- Partially threaded design allows for controlled clamping force and vibration resistance in structural connections.
- Compliance with ISO 4014/DIN 931 standards ensures interchangeability and reliability in global engineering projects.
- External hex drive head enables easy installation and removal with standard tools, reducing labor time and costs.
Professional Applications & Engineering Value
This M20 hex head screw is engineered with Class 10.9 high-tensile steel and a metric coarse thread (2.5mm pitch) to address critical challenges in heavy-duty industrial settings. The zinc yellow-chromate plating offers robust protection against corrosion, making it ideal for outdoor machinery, construction equipment, and automotive assemblies exposed to moisture and chemicals. Its partially threaded configuration ensures optimal grip and vibration damping in bolted joints, preventing loosening under dynamic loads. With a 90mm length and external hex drive, it simplifies maintenance in tight spaces, while the high tensile strength supports structural integrity in applications like steel framing, conveyor systems, and industrial machinery where reliability is paramount.
Specification Summary & Compliance
This fastener adheres to ISO 4014/DIN 931 specifications, with a Class 6h thread fit for precise dimensional accuracy and metric coarse threading (M20 x 2.5mm). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory acceptance in industrial supply chains.
