These bits are ideal for creating starting points for larger holes or for working with materials that tend to chip or crack when drilled These bits are ideal for creating starting points for larger holes or for working with materials that tend to chip or crack when drilledcutting drill bit. Another type is the step drill bit, which can create multiple hole sizes without changing bits. This feature is especially beneficial for tasks that require precise hole depths or diameters.Galvanized hexagonal mesh uses: building wall fixed, heat preservation, heat insulation; Power plant piping, boiler heating; Anti-freezing, residential protection, landscaping protection; Raise chicken and duck, isolate chicken and duck house, play the role of protecting poultry; Protect and support seawalls, hillsides, roads and Bridges and other waterworks.
Open pit coal mine due to poor air quality, a variety of harmful heavy metals are also more, so the corrosion strength of barbed rope products is particularly large, when using galvanized barbed rope must choose hot plating or plastic coated galvanized barbed rope, although the price is slightly higher, but in the long term development is more appropriate. Besides, when the barbed rope is installed near the coal mine, the pile foundation should be fixed to prevent the barbed rope from falling down due to soil erosion, thus losing the protective effect.
The stainless steel barbed rope is made of stainless steel material after processing. The barbed rope has the characteristics of corrosion resistance and aging resistance. So why is the price of stainless steel barbed rope more expensive than ordinary barbed rope? Where do you want to go?
Now hexagonal net is used in a large number of Bridges, piers and bridge buttress inclined plane protection, bridge buttress inclined plane there are many kinds, people according to the inclination of the inclined plane to choose the right hexagonal net, when the inclined plane gentle, people generally use gabion slope protection system, and in the case of steep slope, people will use gabion mesh gravity protection wall.
Crevice corrosion is a kind of corrosion in small area, especially in concealed position, which can form vicious corrosion cycle. Almost all the crevice corrosion can occur in a metal alloy, with gas containing active anionic neutral medium Z is easy to cause crevice corrosion, crevice corrosion often occurs in the aperture of 0.025 to 0.1 mm, because of long time gathered, the cracks will exist a series of impurities, coupled with the external environment of damp easily corrode the area of the gap is small.
Stainless steel blade barbed rope production process is basically similar to galvanized blade barbed rope production process, usually according to the mold to determine the size of the blade.
Hexagonal barbed wire is divided into small hexagonal net and heavy hexagonal net. Heavy hexagonal net is also known as large hexagonal net, large size hexagonal net, mountain protective net, hanging net, stone mesh, gabion net.
Large roll galvanized wire can be divided into hot-dip galvanized wire and cold galvanized wire, the difference between the two lies in the way of zinc and the amount of zinc. Hot dip galvanizing is to soak steel wire in melted zinc liquid, hot dip galvanizing zinc fast, zinc layer thick rust prevention performance is very good, but the zinc is not uniform, and the surface is dark, the life of hot dip galvanizing can reach 20 years.
In fact, iron wire has been widely used in our daily life, and it has very good performance. Iron wire production developed earlier because of its simple technology and wide application. Plastic spraying refers to the plastic powder, sprayed on the product of a surface treatment method. Plastic spraying is often referred to as electrostatic powder spraying, the use of electrostatic generator to make plastic powder charged, adsorbed on the surface of the iron plate, and then after 180 ~ 220℃ baking, so that the powder melt and adhere to the metal surface, plastic spraying products are used for indoor use of the box, paint film showing flat or matte effect.
Large roll galvanized wire is simply galvanized iron wire, usually used wire is often visible, because iron is very easy to be corroded and rusted, so it is necessary to put a layer of other not easy to rust metal plating in the outer layer, to achieve the effect of corrosion resistance and rust resistance, the effect of zinc can do more. Therefore, many customers often require hardware factories to produce galvanized iron wire, which requires the use of galvanized iron wire equipment.
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In the electroplating tank through the current unidirectional make zinc plating on the metal surface gradually, the production speed is slow, the coating is uniform, the thickness is thin, usually only 3-15 micron, the appearance is bright, smooth, beautiful, poor corrosion resistance, generally will rust in a few months. The production process of hot wire plating mainly includes: preparation of the original plate → pre-plating treatment → hot dip plating → post-plating treatment → finished product inspection, etc. According to custom often according to plating pretreatment method.
