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Made in the USA     3-YEAR WARRANTY  
 
National Sheet Metal Machine Inc. is a family owned business in Smartt, Tennessee. They 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 they began with one machine, the U4816 hand brake, National has grown to produce a line of thirty quality machines.

Our customers can rely on National machines to be of superior quality that is unprecedented in today's market.
 
 
 
 
 
 

NATIONAL HAND BRAKES  - 4' 12 ga, 6' 12 ga, 8' 14 ga & 16 ga, 10' 16 ga & 14 ga, 12' 18 ga 

 

 

Simple design allows these National Hand Brakes to work in the most efficient way, 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.

 

Life Time warranty against breakage on steel machines 

 

 National Hand Brake Specification and Price Sheet

 

NATIONAL BOX & PAN BRAKES - 4' 12 ga, 6' 12 gauge, 6' 16 ga, 6' 12 ga, 8' 16 ga

 

 

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.

 

Life Time warranty against breakage on steel machines

 

 

National Box & Pan Brake Specification and Price Sheet

 

 

NATIONAL Heavy-Duty BOX & PAN BRAKES - 6" box depth

 

 

National  has four heavy-duty floor model box and pan brakes designed to be easy and simple to operate.

Standard with heavy-duty 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 the cap screws.  Heavy duty steel plates and tension bars are precision incorporated for minimum deflection.

 

Life Time warranty against breakage on steel machines

 

National Heavy-Duty Brake Specification and Price Sheet

 
 

National Shear - 52" x 16 gauge

 

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.

Shear has a heavy steel side frames, all steel cutter heads and tables with 4-edge high carbon, high chromium blades.

 

Other standard features:  manual backguage, table gauges, spring actuated hold down, front arm extensions, bottom treadle safety stop.

 

Life Time warranty against breakage on steel machines

  

 

National Metal Foot Shear Specification and Price Sheet

 

National Air Shears - 36" x 12 ga, 52" x 16 gauge, 52" x 12 gauge

 

National offers three air pneumatic shears with heavy steel side frames, all steel cutter head, hold down and a solid table. 

These air shears shears are standard with four cutting edge high carbon, high chromium blades, front arm extensions, table gauges,

manual backgauge and a heavy-duty foot switch. 

 

Life Time warranty against breakage on steel machines

 

 

National Air Shear Specification and Price Sheet

 

 

                  

 National Hydraulic Shears - 36" x 12 gauge, 52" x 16 gauge, 52" x 12 gauge, 52" x 10 gauge

 

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 their foot from the foot switch.

 

Heavy steel side frames, all steel cutter heads and a solid table.  4-edge high carbon, high chromium shear blades.  Quick adjusting back gauge for direct reading with a positive lock.  Also standard with table gauges and front arm extensions.

 

Life Time warranty against breakage on steel machines

 

 

National Hydraulic Shear Specification and Price Sheet

 

 

 National 1/4"   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 their foot from the foot switch.

 

Heavy steel side frames, all steel cutter heads and a solid table.  4-edge high carbon, high chromium shear blades.  Quick adjusting back gauge for direct reading with a positive lock.  Also standard with table gauges and front arm extensions.

 

Life Time warranty against breakage on steel machines

 

 

National Hydraulic Shear Specification and Price Sheet

 

 

National Mechanical Shears 

 

Mechanical Shears: 3 Year Warranty - Made in USA

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.

 

Life Time warranty against breakage on steel machines

 

 

National Mechanical Shear Specification and Price Sheet

 

 

 

National Power Roll Forming Machines-  48" & 72" x 16 gauge rolls

 

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. 

 

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.

Precision roll adjustment is achieved by turning the hand wheel on the left end of the roll. Repeatability is maintained by the forming scale above the hand wheel.  

 

Life Time warranty against breakage on steel machines

 

 

National Power Roll Specification and Price Sheet