National Sheet Metal Machine Inc. is a family owned business in Smartt, Tennessee. We have been in business for 36 years as the number one shear and brake manufacturer in North America. Developing and manufacturing the most dependable products on the market has been our goal since 1977. Since we began with one machine, the U4816 hand brake, National has grown to produce a line of thirty quality machines.
Prices and Specifications are subject to change without notice.

National NS216 Shear
National NS216 Shear |
National foot shears are designed for precise shearing through 16 gauge mild steel. This shear is also recommended for shearing aluminum, plastic, copper, brass and lead. All steel side frames, all steel tables and cutter heads with four cutting edge high carbon, high chromium blades, back gauges, table gauges, spring actuated hold down, front arm extensions and bottom treadle safety stop. |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Cutting Length (in.) | 52 | Shipping Dimensions | 61in x 42.25in x 75 7/8in | Shipping Weight | 980 lbs.
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National NA5212 Shear
National NA5212 Shear |
National offers three heavy duty air shears with steel side frames, all steel cutter heads and tables. These air shears are standard with four cutting edge high carbon high chromium blades, front arm extensions, table gauges, back gauges, and heavy duty foot switch. |
Capacity (mild steel) | 12 ga. | Capacity (stainless steel) | 16 ga. | Cutting Length (in.) | 52 | Recommended PSI | 100 | Strokes Per Min. | Approx. 40 | Shipping Dimensions | 62in x 42.25in x 75 7/8in | Shipping Weight | 1,600 lbs.
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National NH3612 Hydraulic Shear
National NH3612 Hydraulic Shear |
National offers three heavy duty air shears with steel side frames, all steel cutter heads and tables. These air shears are standard with four cutting edge high carbon high chromium blades, front arm extensions, table gauges, back gauges, and heavy duty foot switch. |
Horsepower | 3HP | Capacity (mild steel) | 12 ga. | Capacity (stainless steel) | 16 ga. | Cutting Length (in.) | 36 | Motor | 208/240/460V, 1800RPM, 3Ph | Strokes Per Min. | Approx. 40 | Shipping Dimensions | 45in x 42 1/4in x 75 7/8 in | Shipping Weight | 1,200 lbs.
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National NH5210 Hydraulic Shear
National NH5210 Hydraulic Shear |
National offers three heavy duty air shears with steel side frames, all steel cutter heads and tables. These air shears are standard with four cutting edge high carbon high chromium blades, front arm extensions, table gauges, back gauges, and heavy duty foot switch. |
Horsepower | 5HP | Capacity (mild steel) | 10 ga. | Capacity (stainless steel) | 14 ga. | Cutting Length (in.) | 52 | Motor | 208/240/460V, 1800RPM, 3Ph | Strokes Per Min. | Approx. 25 | Shipping Dimensions | 62in x 42 1/4in x 79 7/8in | Shipping Weight | 1,950 lbs.
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National NH7225 Hydraulic Shear
National NH7225 Hydraulic Shear |
National offers four powerful heavy duty precision hydraulic shears with all steel cutter heads and tables. Standard with hydraulic rubber inserted hold downs, quick adjusting back gauge for direct reading with a positive lock, front arm extensions, table gauges, heavy duty foot switch and well lighted work area. You receive a full three year warranty. The hydraulic unit conforms to J.I.C. standards featuring simplicity of design. The National hydraulic system is simple to maintain with standard replacement parts such as valves, cylinders, hoses and oil. The National shear is actuated by a portable shrouded electric foot switch attached to a long flexible cable so it may be positioned comfortable to the operator. |
Horsepower | 7.5HP | Capacity (mild steel) | 1/4 in | Capacity (stainless steel) | 1/8 in | Cutting Length (in.) | 72 | Motor | 208/240/460V, 1800RPM, 3Ph | Strokes Per Min. | Approx. 20 | Shipping Dimensions | 98in x 84in x 54in | Shipping Weight | 6,000 lbs.
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National NH12025 Hydraulic Shear
National NH12025 Hydraulic Shear |
National offers four powerful heavy duty precision hydraulic shears with all steel cutter heads and tables. Standard with hydraulic rubber inserted hold downs, quick adjusting back gauge for direct reading with a positive lock, front arm extensions, table gauges, heavy duty foot switch and well lighted work area. You receive a full three year warranty. The hydraulic unit conforms to J.I.C. standards featuring simplicity of design. The National hydraulic system is simple to maintain with standard replacement parts such as valves, cylinders, hoses and oil. The National shear is actuated by a portable shrouded electric foot switch attached to a long flexible cable so it may be positioned comfortable to the operator. |
Horsepower | 7.5HP | Capacity (mild steel) | 1/4 in | Capacity (stainless steel) | 1/8 in | Cutting Length (in.) | 120 | Motor | 208/240/460V, 1800RPM, 3Ph | Strokes Per Min. | Approx. 12 | Shipping Dimensions | 98in x 140in x 60in | Shipping Weight | 9,000 lbs.
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National NM410 Shear
National NM410 Shear |
All USA made, rugged welded construction. Inch bed scales, accurate table side guages.. Hold Down / Finger guard with non marring urethaneand positive spring actuation. High carbon high chromelong life tool steel blades. Upper and lower blades are interchangable. Non-metalic gibs,maintenance free self lubricating bearings. Continuous cycle, single cycle and jog for different needs. Fully guarded safety foot switch, low power consumption. with quite Operation.
These powerful Mechanical Shears comes Optional with the QUICK SET front operated, manual and digital back guage with two turns of the handle will travel 32 inches in two seconds. |
Horsepower | 7.5HP | Capacity (mild steel) | 10 ga. | Capacity (stainless steel) | 14 ga. | Cutting Length (in.) | 49 | Motor | 208/240/460V, 3Ph | Strokes Per Min. | Approx. 40 | Shipping Dimensions | 53in x 28in x 73in | Shipping Weight | 3,600 lbs.
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National NM1014 Shear
National NM1014 Shear |
All USA made, rugged welded construction. Inch bed scales, accurate table side guages.. Hold Down / Finger guard with non marring urethaneand positive spring actuation. High carbon high chromelong life tool steel blades. Upper and lower blades are interchangable. Non-metalic gibs,maintenance free self lubricating bearings. Continuous cycle, single cycle and jog for different needs. Fully guarded safety foot switch, low power consumption. with quite Operation.
These powerful Mechanical Shears comes Optional with the QUICK SET front operated, manual and digital back guage with two turns of the handle will travel 32 inches in two seconds. |
Horsepower | 5HP | Capacity (mild steel) | 14 ga. | Capacity (stainless steel) | 16 ga. | Cutting Length (in.) | 121 | Motor | 208/240/460V, 3Ph | Strokes Per Min. | Approx. 40 | Shipping Dimensions | 53in x 32in x 141in | Shipping Weight | 6,100 lbs.
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National U4816 Brake
National U4816 Brake |
Simplicity of design allows these brakes to work in the most direct fashion. Easy to set up and operate. Body sections are welded steel plates, with heavy truss rods and braces for longer life and greater strength. These brakes are standard with extension handles, apron stop for repeat bends, and replaceable bushings at points of wear. |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Max. Lift of Beam (in.) | 1 1/4 | Finger Width (in.) | 2, 3, 4 | Max. Depth of Box (in.) | 4 | Bending Length (in.) | 48 | Shipping Dimensions | 27 1/4in x 19in x 54in | Shipping Weight | 500 lbs.
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National S4816 Brake
National S4816 Brake |
Simplicity of design allows these brakes to work in the most direct fashion. Easy to set up and operate. Body sections are welded steel plates, with heavy truss rods and braces for longer life and greater strength. These brakes are standard with extension handles, apron stop for repeat bends, and replaceable bushings at points of wear. |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Max. Lift of Beam (in.) | 1 1/4 | Bending Length (in.) | 48 | Shipping Dimensions | 27 1/4in x 19in x 54in | Shipping Weight | 470 lbs.
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National U7216 Box and Pan Brake
National U7216 Box and Pan Brake |
National has four popular floor model box and pan brakes designed to be easy and simple to operate. Standard with 2, 3 and 4in 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. |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Finger Width (in.) | 2, 3, 4 | Bending Length (in.) | 73 | Max. Depth of Box (in.) | 4 | Shipping Dimensions | 55in x 27in x 119in | Shipping Weight | 1,850 lbs.
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National U9616 Box and Pan Brake
National U9616 Box and Pan Brake |
National has four popular floor model box and pan brakes designed to be easy and simple to operate. Standard with 2, 3 and 4in 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. |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Finger Width (in.) | 2, 3, 4 | Bending Length (in.) | 97 | Max. Depth of Box (in.) | 4 | Shipping Dimensions | 55in x 27in x 143in | Shipping Weight | 2,200 lbs.
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National U6-4812 Box and Pan Brake
National U6-4812 Box and Pan Brake |
National offers four heavy duty box and pan brakes made in the U.S.A. Standard with heavy body construction, precision bearings on the apron, two large cast iron counterweights and apron stop for repeat bends. The National name means quality.
Section fingers are precision machined from rolled steel bar stock for maximum strength. The fingers can be adjusted or removed quickly by the loosening of a cap screw. Heavy duty steel plates and tension bars are precision incorporated for minimum deflection |
Capacity (mild steel) | 12 ga. | Capacity (stainless steel) | 16 ga. | Finger Width (in.) | 3, 4, 5 | Bending Length (in.) | 49 | Max. Depth of Box (in.) | 6 | Shipping Dimensions | 55in x 27in x 95in | Shipping Weight | 1,900 lbs.
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National U6-12016 Box and Pan Brake
National U6-12016 Box and Pan Brake |
National offers four heavy duty box and pan brakes made in the U.S.A. Standard with heavy body construction, precision bearings on the apron, two large cast iron counterweights and apron stop for repeat bends. The National name means quality.
Section fingers are precision machined from rolled steel bar stock for maximum strength. The fingers can be adjusted or removed quickly by the loosening of a cap screw. Heavy duty steel plates and tension bars are precision incorporated for minimum deflection |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Finger Width (in.) | 3, 4, 5, 6 | Bending Length (in.) | 121 | Max. Depth of Box (in.) | 6 | Shipping Dimensions | 59in x 29in x 177in | Shipping Weight | 3,200 lbs.
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National N9616 Brake
National N9616 Brake |
National offers these hand brakes with a great deal of pride. A simple design, utmost strength with a long life of dependable service. Streamline designed for fast, accurate bending — even for the inexperienced workman. Heavy steel body construction with extra heavy tie rods for perfect alignment. Precision bearings on the apron assures you of a smooth operating brake. These brakes come with a full three year warranty. |
Capacity (mild steel) | 16 ga. | Capacity (stainless steel) | 20 ga. | Bending Length (in.) | 97 | Shipping Dimensions | 59in x 29in x 177in | Shipping Weight | 1,600 lbs.
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National N14418 Brake
National N14418 Brake |
National offers these hand brakes with a great deal of pride. A simple design, utmost strength with a long life of dependable service. Streamline designed for fast, accurate bending — even for the inexperienced workman. Heavy steel body construction with extra heavy tie rods for perfect alignment. Precision bearings on the apron assures you of a smooth operating brake. These brakes come with a full three year warranty. |
Capacity (mild steel) | 18 ga. | Capacity (stainless steel) | 22 ga. | Bending Length (in.) | 145 | Shipping Dimensions | 59in x 29in x 201in | Shipping Weight | 3,450 lbs.
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National NR-4816 Roll Former
National NR-4816 Roll Former |
Nationals 3in and 4in power rolls are designed for simple operation. 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.
National’s rolls incorporate three precision turned, ground, and polished high carbon steel rolls. Extra heavy duty end frames with quick release handle on the right front for speedy production forming.
The drive train is powered with a heavy duty precision reduction gear box to assure durability and long life. The electric panel and gear box are housed in a ventilated stand for protection.
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Horsepower | 1HP | Capacity | 16 ga. | Max. Forming Length (in.) | 48 1/4 | Roll Diameter (in.) | 3 | Min. Forming Radius (in.) | 1 1/2 | Wire Grooves (optional; in.) | 3/8, 1/2, 5/8, 13mm, 16mm | Roll Speed | 18rpm | Power | 110/220V 1Ph, or 208/220/440V 3Ph | Shipping Dimensions | 44.5in x 64in x 37in | Shipping Weight | 970 lbs.
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National NR-7216 Roll Former
National NR-7216 Roll Former |
Nationals 3in and 4in power rolls are designed for simple operation. 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.
National’s rolls incorporate three precision turned, ground, and polished high carbon steel rolls. Extra heavy duty end frames with quick release handle on the right front for speedy production forming.
The drive train is powered with a heavy duty precision reduction gear box to assure durability and long life. The electric panel and gear box are housed in a ventilated stand for protection.
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Horsepower | 1HP | Capacity | 16 ga. | Max. Forming Length (in.) | 72 1/4 | Roll Diameter (in.) | 4 | Min. Forming Radius (in.) | 2 | Wire Grooves (optional; in.) | 3/8, 1/2, 5/8, 13mm, 16mm | Roll Speed | 18rpm | Power | 110/220V 1Ph, or 208/220/440V 3Ph | Shipping Dimensions | 43 3/4in x 88in x 26in | Shipping Weight | 1,740 lbs.
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