AMECOIL® SR kits are indispensable for repairing all types of defective tapped holes. Regular workshop kits, they are necessary for the factory servicing and maintenance departments. The advantages - CAN BE USED: for a first installation, for repair, for reworking. Cannot come loose. The outer diameter of the AMECOIL® SR thread insert has a larger diameter than that of the threaded hole. Adhering strongly to the threaded hole, it can practically never come loose once installed. Resistance to corrosion and other threats. The AMECOIL® SR thread insert prevents deterioration of threads due to pulling, vibration, fatigue, seizing or corrosion while resisting the highest temperatures. Regular distribution of loads. Reduction of bosses. Resistance to premature wear. Simplification of locking systems. Click here for installation instructions. Or click here to see how the threaded wire insert can be removed.