Round head hanging nails are the key products for the transportation of concrete components, which are designed and processed based on the analysis and research of the concrete failure form during the transportation of concrete components, that is, the cement load cone formed by the failure of concrete load due to excessive load. When transporting components, and due to its special structure, the load is transferred to the concrete and steel bars through the round feet, and a relatively short hanging nail can also obtain a higher allowable load; when lifting diagonally, the round head hanging nail and the hemispherical recess are placed in the concrete together, so that the horizontal force can be directly transferred to the concrete through the universal joint during the diagonal lifting process. Round head hanging nails are made of high-strength rods. The load-bearing capacity is divided into 10 specifications and grades, such as 1.3-32 t. Depending on the purpose, choose different lengths of hanging nails. Longer hanging nails can be used for lifting concrete with small margin spacing or low strength. Because the round foot of the hanging nail is axially symmetrical, unlike other types of embedded hanging nails (anchor bolts), no special positioning is required when placing the hanging nail. The product meets the requirements of the lifting safety regulations for precast concrete components formulated by various countries. Compared with other similar products, it has the advantages of easy use and shortest operation time. Round head hanging nails are forged from a high-strength alloy steel. When lifting components, the load is transferred to the concrete and steel bars through the round foot, and a relatively short hanging nail can also obtain a higher allowable load. Hanging nails are divided into 10 specifications and grades, such as 1.3-32 t. According to different design purposes, choose different lengths of hanging nails. Longer hanging
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