It is reported that On the morning of August 6, 2013, the opening ceremony of the Angang Group Chongqing high-strength galvanized auto sheet project was held in the Yufu Industrial Park of Liangjiang New District, Chongqing. The project introduces foreign high-end hot-dip galvanized sheet production technology and mainly produces high-strength, high-quality automotive sheets and thermoformed galvanized products. In another development, the Angang Group Chongqing high-strength galvanized sheet metal project, Siemens VAI is responsible for the basic parameters of the project, related design and the supply of some important equipment, and the overall responsibility for the technology of the unit.
Nuts are closely connected with mechanical equipment parts, through the inner thread, nuts and bolts of the same specification can be connected together, for example, m4-P0.7 nut can only be connected with M4-P0.7 series of bolts (in the nut, M4 refers to the inner diameter of the nut is about 4mm, 0.7 refers to the distance between the two thread teeth is 0.7mm); The same is true for US products. For example, 1/4 to 20 nuts can only fit 1/4 to 20 Screws. (1/4 finger nuts are approximately 0.25 inches in diameter, and 20 fingers have 20 teeth per inch.)
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