Nut also called nuts, and bolts or screws are used together with a fastener supporting. Inside a threaded nut, with the bolt, a screw connection, with a hole for fixing the two parts. Nuts and bolts, screw connection is detachable connection, when the nut from the bolt, screw unscrewed, the two parts are connected separable. The standard nuts: Nuts in the production life of the very widespread use, especially machinery and equipment manufacturing must use nuts. Nuts are standardized, universal product, in order to facilitate the production and use of nuts, people develop a nut size, thread and relevant parameters of the standard, a common national standard, British standard, American standard, German standard and Japanese standard and so on. Nuts and bolts, screws are supporting applications relations, bolts and screws are also manufactured in accordance with national standards. To ensure that a pair of bolts, nuts, supporting the use, subject to the same specifications as the two are products, such as American, British or # symbols to represent fractional specification, only the same fraction of the bolts and nuts to fit the size and thread. Nut material: nut widely used, the need to achieve quality standards are quite different, so a lot of the material used to make the nut, mainly carbon steel, stainless steel, high strength steel and steel, and several other species, including carbon steel nuts stainless steel nuts and more common, high-strength steel nuts and steel nuts are mostly used to meet specific environmental requirements. Nut Category: Nuts are the most common ordinary hex nuts, there is such a nut sizes from 1mm to 18mm, and several other types of fastening can do most of the work. Other than in an ordinary hex nut, lock nut, lock nuts, square nuts, weld nuts, round nuts, plate nuts and wing nuts, etc., are also common species nut. Dongguan City Hardware Machinery Co., Ltd. engaged in standard machines and Nut Nut manufacture for over twenty years, has accumulated a wealth of production experience and strong technical force. Our main products include K cap, disc-shaped cap, flange cap , nylon nuts, hex cap, square cap and a variety of non-standard shaped pieces. Material titanium, copper, iron, aluminum, stainless steel and so on. Factory implementation of a comprehensive quality management, excellent quality round to meet diversified market demands of various industries, business scope covering many countries and regions. Our products are widely used in: metal machinery, electronic equipment, lighting accessories, medical equipment, automotive, bicycles, motor vehicles, construction, sports equipment, electric tools, furniture, lighting, decoration and other related industries. The company is currently locking, shock nut series of the most professional, the most competitive products manufacturer. External tooth nut first sales, the lowest price of the company is located in Dongguan City, Guangdong Province, China, supply nut, Welcome! Main products: locknut, slip nuts, stainless steel Nepal cap, stainless steel hex cap, stainless steel hexagonal welding, lighting nuts, nut lighting lamps, external teeth nuts, flange nuts, square cap, non-standard nuts, flat washers, spring pad, E buckle, nylon flange nuts, cap, stainless steel body cap, rivet nuts, butterfly cap, metal self-locking nuts