DIN 7981C screws are used in industrial, manufacturing and construction areas for the purpose of connecting structural parts.
If the installation is carried out in wooden or plastic structures, pre-drilling is not required, but if the installation is to be carried out in metal structures, drilling is necessary.
DIN 7981 C self-tapping screws are used for sheet metal and frames without pre-drilling up to 0.9 mm thick and with pre-drilling up to 6 mm.
They are used for fastening sheet metal, soft materials such as aluminum or copper. They are not suitable for fastening moving parts.
| length | 13 |
| diameter | 4,2 |