The drywall screw has a body that is fully threaded, meaning that its threads will cut into both what you are fastening and ...

Connect the two together with three self-tapping, sheet-metal screws, spacing them evenly around the vent. If you need to install an offset, it typically goes in between the vent and the draft hood.

A new tooling system produces threaded holes in all types of sheet metal, eliminating the need for secondary tapping operations or additional fasteners.

The patented EasyFlipper from Teqram turns sheet-metal parts within seconds without the need to use a crane and slings, belts ...