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Nut Fastener
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1 Products availableWe are leaders in the market for providing best range of Flange Nut, nylon nut, Square Nut, spring lock and TRANSMISSION LINE BOLTS NUTS
A castle nut or slotted nut, is a nut with slots (notches) cut into one end. The bolt or axle has one or two holes drilled through its threaded end. The nut is torqued properly and then, if the slot isn't aligned with the hole in the fastener, the nut is rotated to the nearest slot.The nut is then secured with a cotter pin or safety wire Castellated nuts are used in low-torque applications, such as holding a wheel bearing in place.
A Wing Nut or wing nut, a nut (hardware), with a pair of wings to enable it to be turned without tools. It is used where frequent adjustments are needed or part removal can be made quickly at some later stage.
A Flange Nut has a wide flange at one end that acts as an integrated, non-spinning washer. This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface.
The flange may be serrated to provide a locking action. The serrations are angled such that they keep the nut from rotating in the direction that would loosen the nut. Because of the serrations they cannot be used with a washer or on surfaces that cannot be scratched. Sometimes both faces of the nut are serrated, permitting either side to lock.
Hex Nut is the most common shape is hexagonal, for similar reasons as the bolt head - 6 sides give a good granularity of angles for a tool to approach from (good in tight spots), but more (and smaller) corners would be vulnerable to being rounded off.
A Nylon insert lock nut, polymer insert lock nut, is a kind of nut that includes a nylon collar insert. The insert is placed at the end of the nut and its inner diameter (ID) is slightly smaller than the major diameter of the screw. The insert deforms elastically over the threads of the screw, but threads are not cut into the nylon. The nylon insert locks the nut in two ways. First, it forces the bottom face of the screw threads against the top face of the nut threads, increasing the friction between the two. Second, the nylon applies a compressive force against the screw itself. Nyloc nuts retain their locking ability up to 250 OF (121 OC).
A Square nut is a four-sided nut. Compared to standard hex nuts, square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening (though also greater resistance to tightening). Square nuts are typically mated with square-headed bolts.
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Specifications / Types |
Sizes [Dia] |
Grades |
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Hex |
6-100 mm |
MS, EN 8, EN 19, SS 202,SS 304, Brass |
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Lock |
12-72 mm |
MS, EN 8, EN 19, SS 202,SS 304, Brass |
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Nylone |
4-24 mm |
MS, SS Gr. 8 & 10 |
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Flange |
4-24 mm |
MS, SS Gr. 8 & 10 |
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Castle |
4-24 mm |
MS, SS Gr. 8 & 10 |
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Doom |
4-24 mm |
MS, SS |
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Spring |
8, 10, 12 mm |
MS ,SS |
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Square |
8-24 mm |
MS, SS , EN 8, EN 19 |
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Weld |
4-12 mm |
MS, SS |
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Wing |
6-16 mm |
Cast Iron |
Any washer designed to prevent a bolt or screw from turning and loosening. Types include Belleville, split and toothed washers. A Spring Washer is a ring split at one point and bent into a slightly helical shape. This allows the washer to exert a spring force between the bolt or screw head and the substrate, helping to prevent the bolt from turning and loosening due to vibration.
A Counter Sunk Screw is used to be placed into countersunk holes. A counterunk is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A countersunk may also be used to remove the burr left from a drilling or tapping operation thereby improving the finish of the product and removing any hazardous sharp edges. A countersunk may be used in many tools, such as drills, drill presses, milling machines, and lathes.
A Screw, is a type of fastener characterized by a helical ridge, known as an external thread or just thread, wrapped around a cylinder. Screw threads are designed to cut a helical groove in a softer material as the screw is inserted.
The most common uses of screws are to hold objects together and to position objects. Often screws have a head, which is a specially formed section on one end of the screw that allows it to be turned, or driven. Common tools for driving screws include screwdrivers and wrenches. The head is usually larger than the body of the screw, which keeps the screw from being driven deeper than the length of the screw and to provide a bearing surface. The cylindrical portion of the screw from the underside of the head to the tip is known as the shank; it may be fully threaded or partially threaded.
Machine TypeASME standards specify a variety of Machine Screws in diameters ranging up to 0.75 inches. These fasteners are often used with nuts and they are often driven into tapped holes. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws or less ambiguously as machine screws.
Similar to a sheet metal screw, but it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole. Designed for use in soft steel or other metals. The points are numbered from 1 through 5, the larger the number, the thicker metal it can go through without a pilot hole. A 5 point can drill a 0.5 in (13 mm) of steel, for example.
An Anchor Fasteners is used to attach objects or structures to concrete. There are many types of anchor fastners, consisting of designs that are mostly proprietary to the manufacturing companies. All consist of a threaded end, to which a nut and washer can be attached for the external load. Anchor bolts are extensively used on all types of projects, from standard buildings to dams and nuclear power plants.
Pin TypeHammer driven pin type anchor for push-through installation. The shell of an anchor is driven into the hole without the expansion pin. Then the expansion pin is driven into the shell which after being hit expands the shell against the concrete.
Sleeve Anchors are installed by making cylindrical conical hole is made with an uncut drill bit
The zinc plated concrete wedge anchor is an expansion type anchor used to fasten/anchor a fixture into solid concrete. The wedge anchor itself is made from zinc plated carbon steel. Zinc plated wedge anchors offer some corrosion resistance but are generally used for interior applications only. They are not accepted for use in ACQ treated lumber. Once installed, concrete wedge anchors cannot be removed without causing damage to the surrounding concrete.
The 303 stainless steel concrete wedge anchor is an expansion type anchor used to fasten/anchor a fixture into solid concrete. The anchor itself is made from 303 stainless steel. The nut, washer and clip are made of 18-8 stainless steel (which is comparable to 303 stainless steel). 303 stainless steel wedge anchors offer a higher level of corrosion resistance and are resistant to many organic and inorganic chemicals, but should not be used in salt water environments.
Wedge anchors made from 316 stainless steel offer the best corrosion resistance and can be used in the harshest environments- even salt water. All components of this wedge anchor are made from 316 stainless steel.
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Specifications / Types |
Sizes [Dia] |
Lengths |
Grades |
Finishes |
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Pin |
6, 8, 10, 12, 16, 20 mm |
Bolt: 40-300 mm |
Mild Steel, SS202, SS304 |
GALVANISED |
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Double Ring |
6, 8, 10, 12, 16, 20, 24 mm |
Bolt: 75-300 mm |
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Sleeve |
6, 8, 10, 12 ,16 mm |
Bolt :50-100 mm |
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Bullet |
5, 6, 8, 10, 12, 16 mm |
Bolt: 25-75 mm |
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Taper Nut Sleeve |
6, 8, 10, 12 ,16 mm |
Bolt :11-25 mm |
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Single Ring |
8, 10, 12, 16, 20, 24 mm |
Bolt: 75-215 mm |
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| Wrap Sleeve | 6, 8, 10 mm | Bolt: 65-90 mm | ||
| Heavy Duty Shield | 12, 14, 16, 20, 25 mm | Bolt : 50-120 mm |
These are hex head bolts with hotdiped galvanized used in the erection of transmission towers of 110kv, 220kv,
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