National Sheet Metal Machine Inc. is a family owned business in Smartt, Tennessee. We have been in business for 30 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.

National Sheet Metal Machine Inc. produces Metal Shears, Air Shears, Hydraulic Shears, Heavy Hydraulic Shears, Bench Brakes, Box & Pan Brakes, Heavy Duty Box & Pan Brakes, Hand Brakes, Power Roll