When it comes to nuts, I believe that we will not be very strange, nuts are often used with bolts to use a fastener, in daily life can be seen everywhere, but also can be seen, the market demand for nuts is really sizable. However, due to the variety of types of nuts, in addition to commonly used nuts, other types of nuts less contact, and even senior fastener industry are not well understood.
1.What is a hexagonal nut?
Hexagonal nuts are mainly used with bolts and screws to connect fasteners. According to the nominal thickness is divided into I-type, II-type and thin three kinds, more than 8 levels of nuts are divided into I-type and II-type two types, I-type nuts are divided into A, B, C three levels.
2. Application occasions
Among them, A and B level nuts are suitable for surface roughness is small, the high precision requirements of machines, equipment and structures, while the C level nuts are used for surface roughness, the precision requirements of machines, equipment or structures; II type hexagonal nut thickness is thicker, more often used in the occasions often need to be installed and disassembled.
1.What is a square nut?
Because the shape is square, so it is also known as square nut, also called square nut or square nut. Square nut is a kind of welded nut, which is a kind of metal melted with high temperature and welded in the middle of two products to play a fastening role.
2.Application occasions
The fastening effect of this connection will be very good, will not be easy to loosen, is widely used in road transportation, home building materials and other industries. It covers the fastener needs in almost all fields and is one of the common mechanicalfasteners.
1.What is called flange nut?
Also known as nuts with pads, flower tooth nuts, hexagonal flange face nuts, flange nuts, etc., its size specifications and hexagonal nuts are the same, except that its gasket and nut is a one-piece, and underneath the non-slip tooth pattern, which also increases the surface area contact between the nut and the workpiece, compared to the combination of ordinary nuts and washers, anti-loosening performance is stronger.
2.Application
Mainly used for connecting two pipes or pipes and equipment, because of good sealing performance, mostly used in pipe connection or need to increase the nut contact surface of the workpiece, to ensure the firmness of the connection and sealing. It can withstand high pressure and high temperature to prevent leakage and loosening.
1.What is a nylon nut? Nylon nuts are made of nylon, also known as plastic nuts. It has excellent insulating properties, non-magnetic, heat insulation, light weight, high temperature resistance, high strength, corrosion resistance and so on.
2.Application fields
Widely used in various industrial fields, especially in electroplating industry and communication industry. Compared with ordinary metal nuts, nylon nuts will not produce eddy current and other signal interference, suitable for communication and other industries, while its acid and alkali resistance is better, it can be used in the electroplating industry in the strong acid and alkali environment.
1. What is a fastening nut?
A single-button elastic locking nut, often used as a secondary nut in a two-nut locking structure. It is suitable for aerospace and related applications because it weighs only about 5% of a normal nut.
2. Application
Generally not as the main force of the fastener, its role is to counter-tighten on the nut to prevent the nut from loosening, that is, used as a lock nut. When used, first connect the common nut to the fastener, then screw on the tightening locknut and tighten it by hand to make contact with the common nut, and then tighten the tightening nut with a wrench by 60° ~ 90°. When loosening, the hexagonal nut must be tightened. When loosening the lock nut, a clearance can be left between it and the fastening nut.
1.What is a cap nut?
Cover nut as the name suggests is a hexagonal nut with a cover, the main role of the cover is to prevent the fastening of the outside exposed part of the cover to prevent moisture or some other corrosive substances into the inside so as to play a role in preventing corrosion, and thus improve the use of its own as well as the use of connecting parts of the time.
Different sizes of studs selected cap nuts of different sizes, long studs use higher cap nuts. There are also self-locking cap nuts with twisted threads in the hex area to form a tight friction fit to prevent the nut from loosening due to vibration.
2.Application
The application of cap nuts is the same as that of hexagonal nuts. It is characterized by the fact that the main nut is not easy to slide, but can only be fastened with a live wrench, a dull wrench, a dual-purpose wrench (open part) or a special square-hole socket wrench. It is mainly used for rough and simple parts, in tires and front and rear axles of automobiles, tricycles, electric cars, etc. It can also be used to fasten the base of road light stands and some mechanical equipments which are often exposed to sunlight and rain.
1.What is a slotted nut?
Slotted nut mainly refers to hexagonal slotted nut, that is, the slot is machined above the hexagonal nut. It is used in conjunction with bolts with holes in the rod and cotter pins to prevent relative rotation of the bolt and nut, see GB6178～6181, etc..
Its function is to be used in conjunction with bolts with holes in the rod and inserted into cotter pins to prevent loosening.
2.Application
By fastening through the front and rear wheel axle screws to fix the vehicle front and rear wheel axles, so that the frame and tires are fixed together, in order to prevent the nut from loosening, it must be fixed with a cotter pin through the groove of the slotted nut, while the cotter pin must be fixed to hold the slotted nut from the middle of the wheel axle screws through. In practical application, the slotted nut can be used to connect various mechanical parts, such as bearings, gears, couplings and so on, in mechanical manufacturing.
1.What is a wing nut?
Wing nut is a kind of nut, has a unique shape, the head protruding arc is very like a beautiful butterfly. Wing nut is not only high in value, but also in function and application. Generally speaking, wing nuts can be divided into cold heading wing nuts, casting wing nuts and stamping butterfly nuts according to the different processing technology, and can be divided into square wing butterfly nuts and round wing butterfly nuts according to the shape of the two basic shapes.
2.Application
Butterfly nuts do not require other tools, designed to facilitate the operation of hand screwing, the head of the butterfly design increases the lateral force surface, so that the hand screwing more efficient, mainly used in medical equipment, wind power, aerospace, office equipment, petrochemical, electronic communications, marine industry and other equipment that requires frequent disassembly and maintenance.
1.What is a T-nut
T-nuts are nuts that look like T's and prevent parts from loosening and rotating during installation.T-nuts also come in diamond and square shapes. T-nuts with no threads are called thin-waisted bolts, which are good for joints subjected to variable forces. There are special high-strength bolts for steel structures, with larger heads and different sizes.
2.Application
Installation and unloading is convenient, and easy to install the parts in any position which can greatly improve labor productivity which is t-nut can be widely used in a variety of milling machines in the T-slot reason.
1.What is a Spring channel nuts?
Spring channel nuts is a kind of nut with self-locking function, composed of spring steel plate and standardized parts, which can effectively improve the stability and service life of the equipment.
2.Applications
Its main feature is to be able to maintain stability in the case of vibration, impact and temperature change, with good anti-loosening performance and vibration resistance, widely used in various equipment.
Above, is often used in the market types of nuts, each nut has its specific performance advantages and applicable application scenarios, therefore, in the selection of nuts, according to the specific needs of the use of scenarios and performance requirements to confirm the more suitable type of nut.
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