S-97478A153 M22 x 75 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications
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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 corrosion resistance with hot-dipped galvanized steel coating, ensuring long-term reliability in harsh environments.
- High tensile strength of 150,000 psi and Class 10.9 grade, providing superior load-bearing capacity for heavy-duty applications.
- Rockwell C32 hardness offers excellent wear resistance, reducing the risk of fastener failure under stress.
- Coarse metric thread (M22x2.5) with Class 6g fit enables quick, secure installation and vibration resistance.
- Partially threaded design with 32mm thread length and 43mm grip length, allowing precise clamping in structural assemblies.
- External hex drive and hex head facilitate easy tightening with standard tools, improving installation efficiency.
- Compliance with DIN 6914/ISO 7412 ensures dimensional accuracy and interchangeability in industrial systems.
Professional Applications & Engineering Value
This M22 hex head screw is engineered from hot-dipped galvanized steel to address common industrial challenges like corrosion and high mechanical stress. Its Class 10.9 strength grade and 150,000 psi tensile strength make it ideal for demanding sectors such as construction, machinery, and infrastructure, where coarse metric threads provide reliable fastening in vibrating environments. The partial threading and 75mm length allow for controlled clamp load distribution, reducing the risk of joint loosening. By meeting DIN 6914 standards, it ensures precise fit and performance in heavy-duty hex head screw applications, enhancing safety and durability in projects requiring high tensile strength bolts.
Specification Summary & Compliance
This fastener features a metric M22x2.5 coarse thread with Class 6g thread fit for precise tolerances, and adheres to DIN 6914 (equivalent to ISO 7412) manufacturing specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global industrial use.
