Wire thread insert can be divided into ordinary type and lock type two,
Each type has a break slot and two types without a break slot.
The locking type of steel wire thread insert has a more fastening effect than the ordinary type of steel wire thread insert, because it adds one or more polygonal deformation rings on the basis of the ordinary type of steel wire thread insert, so that the friction between the installation of the screw or bolt increases after the installation of the thread insert.
Steel wire thread insert structure features:
Wire thread insert (also known as thread insert, helicoil thread insert, thread sleeve, stainless steel thread insert, etc.) Screw thread insert is a spiral coil made of high-strength, smooth cold rolled diamond shaped stainless steel wire, the internal thread is the internal thread, the external thread concentric body, can form a standard thread, after threading and sheath processing can form a standard internal thread, and its performance is better than the thread formed by tapping. If there is no wire thread insert, even if it is repaired by increasing the thread hole method, the interchangeability is also lost, and the appearance quality is affected.
The stainless steel wire thread insert installed in the thread hole can enlarge the force surface of the thread hole, improve the connection condition and increase the strength of the thread connection. The stainless steel wire thread insert is made of aluminum, magnesium and other low strength materials, which can avoid the phenomenon of sliding wire and wrong teeth, and obtain good connection performance. The thread insert is a high strength stainless steel wire material refined from the internal and external thread fastener, the shape of the steel wire spring type, it is installed in the thread hole, can eliminate the screw and thread hole between the pitch and tooth deviation, so that the load is evenly distributed, so as to improve the bearing capacity and strength of the thread connection.