This provides incredible insight into how a part needs to be fixtured and produced. But when it comes to machine-agnostic software that does the same for sheet metal, the choices are likely few and ...

drywall screws. Screw the 4-in. aluminum elbow to the fan's exhaust port using three 3/8-in. self-tapping Phillips sheet metal screws. Take care not to hamper the damper flap inside. Then slide out ...

These include a tape measure, straight-cut aviation metal snips, plumb bob or 4-ft ... fasten the track to the underlying joists with 1-1/2 in. self-tapping drywall screws. If the track runs parallel ...

Sheet metal workers ensure you stay warm in the winter and cool in the summer by making, assembling or servicing the heating and cooling equipment in buildings. These tradespeople may specialize ...