Screw Nuts
A Screw Nut is a nut, a component that is screwed together with a bolt and nut or screw to provide a fastening effect. It is a necessary component for all production and manufacturing machinery, and is divided into several types according to the different materials, such as carbon steel, stainless steel, non-ferrous metals (such as copper), etc.
We currently provide fasteners to several industries including Turbine, Oilfield, Mining, Petrochemical, and Construction. Our company offers a wealth of manufacturing experience with a combined 25 years from our key employees. Our philosophy is simple, to serve our customers and to provide the service they expect when they expect it.
Since 1997, FBelec has been manufacturing and distributing custom and standard fasteners for all types of industries. We pride ourselves on being your one-stop-shop for all of your fastener needs and offering affordable products that work the first time every time.
We are excited to announce that we now have the capabilities to manufacture our own nuts for our customers. This is a great benefit to our customers because we can now offer more cost-effective orders.
We bring in square bar and hex bar, cut it, drill it, and then tap and thread it all in our own facilities. The diameters are 7/8th to 3 inches. We can also plate the nuts in-house.
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Summary of the Most Comprehensive Nut Varieties and Applications
1. Hexagonal nut
What is an outer hexagon nut?
The nut and bolt with a hexagonal shape is mainly used in conjunction with bolts and screws to connect fasteners. According to the nominal thickness, nuts are divided into three types: Type I, Type II, and thin. Nuts with a grade of 8 or above are divided into two types: Type I and Type II. Type I nuts are further divided into three levels: A, B, and C.
Application scenarios for Hexagonal nut.
A-grade and B-grade nuts are suitable for machines, equipment, and structures with low surface roughness and high precision requirements, while C-grade nuts are used for machines, equipment, or structures with relatively rough surfaces and low precision requirements; Type II hexagonal nuts have a relatively thick thickness and are often used in situations where assembly and disassembly are frequently required .
2. Square nut
What is a square nut?
Due to its square shape, it is also known as a square nut, also known as a square nut or square nut. A square nut is a type of welded nut that uses high temperature to melt a certain metal and weld it between two products to provide a fastening effect.
Application scenarios for Square nut
This type of connection has a good fastening effect and is not easy to loosen, and is widely used in industries such as road traffic and home building materials. Covering almost all fastener requirements in various fields, it is one of the common mechanical fasteners. On machines, equipment, or structures that are not high in demand; Type II hexagonal nuts have a relatively thick thickness and are often used in situations where assembly and disassembly are frequently required
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3. Flange nut
What is a flange nut?
Also known as washer nuts, serrated nuts, hexagonal flange nuts, flange nuts, bolt nut,etc., their size specifications are the same as hexagonal nuts, except that their washers and nuts are integrated and have anti slip tooth patterns below, which increases the surface area contact between the nut and the workpiece. Compared to the combination of ordinary nuts and washers, the anti loosening performance is stronger.
Application scenarios for Flange nut
Mainly used to connect two pipelines or between pipelines and equipment, due to its good sealing performance, it is mostly used in pipeline connections or workpieces that require the addition of nut contact surfaces to ensure the firmness and sealing of the connection. It can withstand the effects of high pressure and high temperature, preventing leakage and loosening.
4. Nylon nut
What is a nylon nut?
Nylon nuts are made of nylon, also known as plastic nuts. It has excellent insulation performance, non-magnetic, thermal insulation, light weight, high temperature resistance, high strength, corrosion resistance, and other advantages.
Application scenarios for Nylon nut
It is often applied in various industrial fields, especially in the electroplating and communication industries. Compared with ordinary metal nuts, nylon nuts do not generate signal interference such as eddy currents, making them suitable for use in industries such as communication. At the same time, they have better acid and alkali resistance and can be used in strong acid and alkali environments in the electroplating industry.
5. Tighten the nut
What is a fastening nut?
A single buckle elastic locking nut, often used as a secondary nut in double nut locking structures. Due to its weight being only about 5% of that of a regular nut, it is suitable for aerospace and related applications
Application scenarios for Tighten the nut
Generally not used as the main load-bearing fastener, its function is to back tighten the nut to prevent it from loosening, that is, it is used as a locking nut. When using, first tighten the connected part with a regular nut, fasteners houston,then screw on the locking nut and tighten it by hand to make contact with the regular nut. Then, use a wrench to tighten the locking nut by 60 ° to 90 °. When loosening, the hexagonal nut must be tightened. To create a gap between it and the locking nut, the locking nut can be loosened.
6. Cap nut
What is a cap nut?
A cap nut, as the name suggests, is a hexagonal nut with a cover. The main function of the cover is to prevent the exposed part on the outside from being tightened, so as to prevent moisture or other corrosive substances from entering the inside and thus play a rust prevention role, thereby improving the service life of itself and the connecting parts. Different sizes of bolts use different sizes of cap nuts, while ultra long bolts use higher cap nuts. There is also a self-locking cap nut with twisted threads in the hexagonal area to form a tight friction fit and prevent the nut from loosening due to vibration.
Application scenarios for Cap nut
The use of cap nuts is the same as that of hexagonal nuts. Its characteristic is that the main nut is not easy to slide, but can only be tightened with a wrench, a solid wrench, a dual-purpose wrench (open part), or a special square hole socket wrench.nut and bold
Mainly used for rough and simple components, such as tires and front and rear axles in cars, tricycles, electric vehicles, etc. It can also be used to fix road lamp holders and some mechanical equipment that are often exposed to sunlight and rain.
7. Slotted nut
What is a slotted nut?
Slotted nuts mainly refer to hexagonal slotted nuts, that is, grooves are machined above the hexagonal nuts. It is used in conjunction with threaded bolts with holes and split pins to prevent relative rotation between bolts and nuts, as shown in GB6178-6181, etc.
Its function is to be used in conjunction with bolts with holes in the rod, and to insert split pins to prevent loosening.
Application scenarios for Slotted nut
Fix the front and rear wheel axles of the vehicle by tightening the screws that pass through the front and rear wheel axles, so that the frame and tires are fixed together. To prevent the nuts from loosening, a cotter pin must be used to fix them through the groove of the slotted nut. To fix the slotted nut, the cotter pin must pass through the middle of the wheel axle screw.
In practical applications, slotted nuts can be used in mechanical manufacturing to connect various mechanical parts, such as bearings, gears, couplings, etc.
8. Butterfly nut
What is a butterfly nut?
Butterfly nut is a type of nut with a unique shape, and the protruding curvature of the head resembles a beautiful butterfly. Butterfly nuts not only have high aesthetic value, but also have significant functional applications.
Generally speaking, butterfly nuts can be divided into cold heading butterfly nuts, cast butterfly nuts, and stamped butterfly nuts according to their different processing techniques. According to their shapes, they can be divided into two basic shapes: square wing butterfly nuts and round wing butterfly nuts.
Application scenarios for Butterfly nut
Butterfly nuts do not require other tools when used and are specifically designed for convenient hand tightening operations. The butterfly design of the head increases the lateral force surface, making hand tightening more efficient. They are mainly used in medical devices, wind power, aerospace, office equipment, petrochemical, electronic communication, shipbuilding industries and other equipment that require frequent disassembly and maintenance.
9. T-nut
What is a T-nut?
A nut that looks like a T can prevent components from loosening and rotating during installation. T-nuts also have shapes such as diamond and square. A plain T-nut without threads is called a slim waisted bolt, which is beneficial for connecting under variable forces. There are specialized high-strength bolts on the steel structure, with larger heads and varying sizes.
Application scenarios for T-nut
Easy to install and unload, and easy to install parts in any position, which can greatly improve labor productivity. This is also the reason why T-nuts can be widely used in T-grooves of various milling machines.
10. Spring nut
What is a spring nut?
Reed nut is a type of nut with self-locking function, composed of spring steel sheets and standard parts, which can effectively improve the stability and service life of equipment.
Application scenarios for Spring nut
Its main feature is the ability to maintain stability under vibration, impact, and temperature changes, with good anti loosening and anti vibration performance, and is widely used in various equipment.
The above are commonly used types of nuts in the market, each with its specific performance advantages and suitable application scenarios. Therefore, when selecting nuts, it is necessary to confirm the more suitable nut type based on specific needs, usage scenarios, and performance requirements.
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