Sheet Metal, Gauges & Test Instruments. Find manufacturers and fabricators of Gauges & Test Instruments in the Sheet metal industry that includes a variety of HVAC sheet metal products and tools as ...

Reasons is the president/business manager of SMART (International Association of Sheet Metal, Air, Rail and Transportation Workers), Local Union No. 36, and he said that making sure that the original ...

Cutting fluids can be used with twist drills, but are generally not needed for thinner gauge sheet metal. You may want to have a bottle on hand for when drilling through thicker sheets or steel.