Screw thread inserts are formed from high quality stainless steel wire with a diamond shaped cross section, wound to the shape of a spring thread. Once the wire is wound into a helical coil and installed into a tapped hole, it provides a permanent and wear resistant thread in the parent material that is generally stronger than the original thread.
The inserts are designed to be greater in diameter than the tapped hole and compress as they are installed. This allows maximum surface contact area with the tapped thread, safely and permanently anchoring the inserts into place. The insert's compensatory action shares the load over the entire bolt and hole, increasing pull out and torque out strength. With a screw thread insert in place, load and stress are more evenly distributed over the assembly.
For small amount production, we have manual installation tool and pre-winder installation too.
Manual Installation Tool
It's most practical and simple to used for general applications.
Pre-Winder Installation Tool
This tool is suitable for use when installing free-running and locking inserts. The mandrel is wound into the insert which is then installed into the tapped hole. During installation the insert diameter is reduced when passing through the bottom of the prewinder tool part making it easier to install. The mandrel is removed by turning the crank in a counter clockwise direction, leaving the insert in place.
For more information and further cooperation please contact:
E-mail: info@sunbotech.cn
Tel: +86-20-38284227











