National Fasteners

We are the leading manufacturers and exporters of precision engineered range of industrial fasteners and fittings. These galvanized fasteners find applications in various industries and known for robust design, high performance, corrosion resistant.

NATIONAL FASTNERS manufacture and supply Heavy hex nuts. Grade 2H is a standard material specification, for high tensile hardened and tempered nuts.Hex nuts are internally threaded fasteners,  Nuts are made from carbon steel materials EN8D.Heavy hex nuts thickness are equal to diameter. H=D.Grade 2H nuts can be manufactured by hot forging, cold forging or machining from heat treated bar stock.Grade 2H nuts are with plain black phosphate, plain zinc, cadmium or hot dip galvanizing.Metric hex nuts dimensions are as per DIN 9342H nuts are available from size M06 to M72 in metric and from 1/4 to 2 inches,Applications: 2H Heavy Hex Nuts are used inRefineries, Petrochemical Industries, Oil and Gas Industries. And used in assembly of Flanges,Valves and pumps.