galvanized steel self tapping screw

例句：

1. 1. This type of screw is commonly used in construction projects to ensure the connection between different materials.
   这种螺丝在建筑项目中常用，以确保不同材料之间的连接。
2. 2.The engineer carefully selected the right size and material for the galvanized steel self-tapping screws to avoid any potential issues during installation.
   工程师仔细选择了正确的尺寸和材料，以避免安装过程中的任何潜在问题。
3. 3. The self-tapping screws were designed to be easily inserted into the metal frame, allowing for a secure and permanent attachment withoutthe need for additional fasteners.
   这些自攻螺丝被设计成易于插入金属框架中，使得它们可以牢固地固定，而不需要额外的紧固件。