Three-pull seal for screw connection by a screw in the middle of two symmetrical composition Jiangsu end of the screw through the wall screw purchase in the middle of the screw has a sealing plate and two stoppers, has tightened the screw threaded end and tight configuration solid nut. There in the middle of the screw connection externally threaded ends, one end provided with an internal screw terminal connection screw thread connecting the outer and middle thread match. Connection with the end of the screw in the middle of the screw has a tubular sleeve pad, pad the central part of the retainer, tubular pads arranged along the circumference of a circle axial end face seal screw column, a gap between the uprights. The company screw completely without gas cutting, pollution zero emissions, smooth walls, and more conducive to the latter part of the construction. The company's commitment to product quality: 1, manufacture and testing are quality records and inspection data. 2, the product performance testing, we sincerely invited users to visit the whole process of the product, all performance checks, was confirmed to be qualified before packing shipments. Set screw seal is how much the amount of construction in Jiangsu wall screw specifications, the sealing screw this operator are usually very experienced, under normal circumstances as long as the first layer of the amount of calculation, we can draw the entire stop amount of water of the screw. At the time of purchase, Jiangsu wall screw, due to the number of more specific so can only be obtained by weighing the number of hair fashion. No special circumstances, then through the wall of the screw manufacturer in Jiangsu, the weight of each seal screw are the same, so long as the scales weigh a variety of sealing screw, then the total tonnage required can be calculated The actual number of the root product. This way can be a much simpler root number, in order to ensure accuracy, the base value when you can take more than a few times weighed. Jiangsu wall screw Price | Jiangsu wall screw | Peter Kennedy building materials provided by Peter Kennedy Building Materials Co., Ltd. Nanjing. Building Materials Co., Ltd. Nanjing Kuang Jian (www.njwklg.com) strong, credible, in Nanjing, Jiangsu metal building materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Marina and you work hard building materials into the brilliant, for a better future!