一、用途:锥塞式膨胀螺栓是用钢板对钢筋混凝土结构或构件进行补强、加固时的金属紧固连接件,它具有锚固强度大,锚固后稳定性好,使用难度小,性能稳定可靠等优点。作为建筑五金产品,锥塞式膨胀螺栓还可在建筑设备安装、建筑装饰工程及房屋管道工程上得到应用。二、构造:锥塞式膨胀螺栓由等直径螺杆和锥形塞组成,等直径螺杆全长表面设有螺纹(当螺杆较 I. Purpose: Cone plug expansion bolt is a metal fastening connector used to reinforce and reinforce reinforced concrete structures or components with steel plates. It has large anchorage strength, good stability after anchorage, low use difficulty, stable and reliable performance. Etc. As a building hardware product, conical plug expansion bolts can also be used in construction equipment installation, building decoration engineering and house pipe engineering. Second, the structure: conical plug expansion bolts composed of equal-diameter screws and tapered plugs, the full-length surface of the screw with a threaded diameter (when the screw