S-97478A159 M22 x 130 mm DIN 6914, ISO 7412 Metric High-Strength Steel Heavy Hex Head Screws for Structural Applications

Key Features & Benefits at a Glance

• Exceptional load-bearing capability with Class 10.9 tensile strength (150,000 psi) for reliable performance in demanding structural and machinery applications.
• Superior corrosion resistance due to hot-dipped galvanized steel construction, extending service life in harsh industrial or outdoor environments.
• Optimized for high-torque installation featuring a 36mm external hex head and 14mm height for secure, efficient driving with standard tools.
• Enhanced fatigue resistance from Rockwell C32 hardness, maintaining fastener integrity under dynamic or vibrating loads.
• Secure coarse thread engagement with M22x2.5 Class 6g thread fit, ensuring quick assembly and reduced cross-threading risk.
• Controlled clamping force distribution through a 96mm grip length and partial threading, ideal for thick material sections.
• Full regulatory compliance meeting RoHS 3 and REACH, ensuring safe use in regulated markets and sensitive applications.

Professional Applications & Engineering Value

This M22 hex head screw is engineered to address critical challenges in heavy-duty industrial applications where joint integrity and environmental resistance are paramount. The hot-dipped galvanized steel provides a robust barrier against rust and chemical exposure, significantly reducing maintenance in construction, machinery, and infrastructure projects. Its Class 10.9 high tensile strength and Rockwell C32 hardness ensure the fastener withstands extreme loads and vibrations without loosening or failing. The coarse 2.5mm thread pitch and partial threading design allow for faster installation and precise clamping in thick assemblies, minimizing assembly time while maximizing reliability. Compliance with DIN 6914/ISO 7412 standards guarantees dimensional accuracy and interchangeability, making it a trusted choice for engineers specifying metric hex bolts in critical connections.

Specification Summary & Compliance

This hex head screw features M22x2.5 coarse threads with a Class 6g thread fit per ISO metric standards, ensuring precise dimensional tolerance. The fastener is manufactured to DIN 6914 (identical to ISO 7412) specifications, covering head dimensions, mechanical properties, and testing requirements. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The Class 10.9 strength grade corresponds to a minimum tensile strength of 150,000 psi, validated by standardized testing protocols.