Tuffbrace Fasteners Private Limited is a Ahmadabad, Gujarat based manufacturer and exporter of fasteners for many industrial applications. Hex Nuts are the most important hardware elements and are widely used in industries like automobile, construction, aircraft and many other. These are use with bolts to fasten different mechanical parts together. They are made up of high grade materials such as mild steel and high carbon steel and can be classified as low, medium and high strength nuts as per the material used. Hex nuts are available in various size of 1/2 , 5/8, 7/16, 3/8 Inch diameter. The threads carved on the inner side of these nuts is done with high precision so that it is easy to fasten them with their counterparts.