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National Sheet Metal Machine is a family owned business in Smartt, TN which has been developing and manufacturing the most dependable shears, brakes and rolls on the market since 1977.

National Hydraulic Shears

National heavy duty power shears are equipped with a fully integrated hydraulic unit. Complete with electrical hydraulic valve, pilot operated-pressure relief valve, heavy duty foot switch that allows this unit to return to the top of the stroke when the operator removes his foot from the foot switch. Heavy duty double acting cylinders. Fully enclosed control panel.

National Box and Pan Brakes

National has four popular floor model box and pan brakes designed to be easy and simple to operate Standard with 2", 3" and 4" finger widths, stop rods for repeat bends, two large counterweights and precision bearings on the apron. All steel body construction with extra heavy tie rods for minimum deflection.

National Power Roll Machine

National's 3" power rolls are designed for simple operation. All three rolls are power driven. Standard with forward and reverse drum switch Quick release upper roll. Positive chain drive Heavy duty gear box. Front guard for additional safety. Heavy duty stand is standard.