The DIN 7981 C screw features a self-tapping thread extending along the entire shank, designed to allow direct fastening into metal sheets and laminated metal materials by simple drilling, without the need for pre-threading or tapping.
It is available with point and without point, depending on specific application requirements. To ensure secure and stable fastening, it is essential to use the correct hole diameter, avoiding undersized holes which do not improve tightening performance.
The pan head with 6-lobe drive ensures high assembly precision and allows the transmission of a higher tightening torque compared to other traditional drive types.
The 6-lobe drive, of universal type, is particularly suitable for screws with a diameter of 4 mm or larger; for smaller diameters, its use is less recommended, as the reduced drive depth may cause insertion difficulties and increase the risk of bit cam-out during installation if the screw is not perfectly aligned.
DIN 7981 / C
UNI 6954
ISO 14585 / C
DIN 7981 C self-tapping screws are available in various material options, including:
The variety of materials ensures high mechanical strength and excellent corrosion resistance.
The screw length is measured from the point to the underside of the head.
These screws are widely used in industrial applications for fastening metal sheets, assembling electronic components, and in metal fabrication, where reliability, fast installation, and tightening precision are required.
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