1. This guarantees easy installation and allows for full load use of tapped hole, ensuring protection against stress and vibration. 2. Synchronized-Thread Insert is thin walled due to synchronized internal external threads. 3. Thin cross sectional area allows for installation in areas of limited space and clearance material. 4. Synchronized-Thread Insert Having a flange on the top of the insert will insure that the insert will have positive placement and cannot wind down into the newly repaired hole. 5. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place.