National U6-4812 Metal Brake Technical Information Capacity (Yield strength 30,000 pounds at rated capacity) Mild steel 12 gauge: 0.1063 inches. Stainless steel 16 gauge: 0.06299 inches. Aluminum: ...

The Plazbox is a patented, all-in-one HVAC sheet metal box with adapters that serves as a replacement for more than 100 metal ductwork parts and adaptors. The Plazbox, which was designed for ...

They also held a metal working merit-badge clinic introducing the Scouts to sheet-metal work. The Scouts got to cut, weld and rivet the boxes together.