DIN 931 is a German standard for hexagon head bolts.
It specifies partially threaded bolts (half thread).
These bolts follow the metric thread system.
The grade mentioned is 8.8 high tensile steel.
Grade 8.8 provides high strength and durability.
It offers strong clamping and shear resistance.
Commonly used in machinery and structural assemblies.
Available in various metric sizes and lengths.
Usually supplied in zinc plated or plain finish.
Suitable for heavy-duty and reliable fastening applications.