It is a kind of screw, which is mainly used to fix the colored steel tile of steel structure, and also can be used to fix the sheet metal of simple buildings. It cannot be used for metal to metal bonding. Material and model
There are two kinds of materials: Iron and stainless steel, of which stainless steel is divided into a variety of materials.
The models are: Φ 4.2/Φ 4.8/Φ 5.5/Φ 6.3mm, and the specific length can be determined according to requirements.
According to different drill tails, it can be divided into:
Round head Mizi/Cross/plum blossom, countersunk head (flat head)/Mizi/Cross/plum blossom, hexagonal Huawei, round head Huawei (big flat head), horn head, etc