Service Hotlinethrough-hole mounting nut, comprising a hexagonal portion 1 and a cylindrical portion 2, a threaded hole 3 is provided between the hexagonal portion 1 and the cylindrical portion 2, and two grooves 4 are opened on the cylindrical portion 2, and each of the two sides of the groove 4 has a The raised side 5, the two sides protruding from the sheet metal part 7, if squeezed or hit by the bolt 8, it will bend to both sides and buckle on the sheet metal part, so that it is not welded directly. Rubber can also be used. Each of the upper surfaces of the side edges 5 is provided with a convex point 6 so that the hammer will not slip when hitting.
With the improvement of living standards, people's requirements for the comfort of sitting and bedding are gradually increasing. Independent pocket spring cushions have moderate hardness and are generally welcomed by people.
The front wall sound insulation pad is used to absorb the heat and noise transmitted by the firewall, and also plays the role of heat insulation and vibration isolation, ensuring a relatively quiet and comfortable environment in the car and improving ride comfort. As shown in FIGS. 1 and 2 , the front wall sound insulation and heat insulation pad 101 is generally fixed to the vehicle body by means of screw buckles 102 . The screws 100 are clamped by the clamping feet 103 in the screw The limiting rib 104 clamps the screw 100. After the screw 100 is clamped into the screw buckle 102, the tail end of the screw 100 is exposed, which is easy to scratch the operator when assembling other components, and the exposed screw 100 is easy to cause corrosion, thereby affecting the connection strength of the screw 100, and also The service life of the screw 105 is reduced.
Generally speaking, WinnipegWinnipegWinnipegcombination screws are widely used in electrical, electric, mechanical, electronic, household appliances, furniture, ships and so on. But the above said that different WinnipegWinnipegWinnipegcombination screws have different functions. For example, Phillips pan head WinnipegWinnipegWinnipegcombination screws are generally used in small electronic products. Larger cross hexagon WinnipegWinnipegWinnipegcombination screws are used in larger electrical products, such as frequency converters, and some larger frequency converters use many cross hexagon WinnipegWinnipegWinnipegcombination screws. Hit the inverter case. To loosen the tightening effect. For example, two WinnipegWinnipegWinnipegcombination screws with flower teeth, which are used on the inverter, are used to break the paint, so that all the two WinnipegWinnipegWinnipegcombination screws on the surface of the casing are powered on. There is also a two-WinnipegWinnipegWinnipegcombination screw with a square pressure line, which itself is a two-WinnipegWinnipegWinnipegcombination screw with a pan head screw and a square pad. It is generally used on the surface of the terminal block. The function is for wiring and for crimping.
Generally, we have to divide the Winnipegfine thread nut and the coarse thread nut first, but in fact, no matter what kind of fine thread, coarse thread, their specifications are the same, their specifications are M3, M4, M5, M6, M8, M10, etc. . But there is another kind of hexagonal nut, which is divided into English and American, which is only a different national standard. Made in China, it is called the national standard hexagon nut
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