- For fastening sheet metal (max. 2×0.8 mm) indoors. Also to a wooden base.
The HVAC screw is so-called self-drilling and no pre-drilling needed. The tip of the screw is drilled lightly into the metal (max. 1mm) and pulls itself in when turning. The joint to be installed tightens well, because the screw forms a flange on the on the metal sheet as it rotates.
- Zinc electroplated
- Hex head, straight groove