What are the installation tools for wire thread inserts?

Installation tools for wire thread insert

Wire thread inserts, also known as Helicoil inserts or threaded inserts, are used to strengthen or repair threads in various materials, particularly in metal. There are several tools and methods for installing wire thread inserts, and the specific tool you need may depend on the type and size of the insert you are using.

Special tools for wire thread inserts are required for installation, mainly including special taps for wire thread inserts, wire thread insert installation wrenches, punches, sleeve removers and wire thread insert internal thread bottom hole plug gauges. Among them, taps are used to process wire thread inserts. The installation thread bottom hole, the installation wrench is used to install the wire thread sleeve, the puncher is used to punch the installation tail handle, the sleeve remover is used to remove the thread sleeve, and the bottom hole plug gauge is used to inspect the installation bottom hole.

1. Bottom hole tap: Used for processing the internal thread of the wire thread insert. Since the external thread of the wire thread insert is a non-standard thread, this tap is different in size from the ordinary M tap.

2. Installation wrench: Used to install the wire thread insert in the threaded bottom hole. The basic principle is to make the wire thread insert pass through a guide thread, forcing the outer diameter of the wire thread insert to shrink so that it can be smoothly installed into the bottom hole. It is divided into manual types. and automatic type.

3. Breaker: The main purpose of the breaker is to break the installation handle. Especially for through holes, the installation handle must be broken.

4. Sleeve remover: Used to remove the wire thread sleeve installed in the threaded hole of the base body. The thread sleeve needs to be replaced for long-term use, and when it needs to be removed due to improper installation or thread skipping during installation. use.

5. Thread plug gauge: Used to detect the bottom hole of the internal thread when the wire thread insert is installed. After the wire thread insert is installed, the accuracy of the internal thread formed depends on the manufacturing tolerance of the profile of the wire thread insert and the tolerance of the internal thread bottom hole.

The choice of installation tool and method depends on the specific requirements of your project, the size of the wire thread insert, the material you’re working with, and your desired level of precision. Always follow the manufacturer’s recommendations and guidelines for the specific type of wire thread insert you’re using.