The coil securely winds a helicoil insert into place driving into the wall for a tight hold. Here is some additional information about Heli-Coil Thread Repair Kit.
Heli-Coil 12 Inserts, 1/8-27 Thread Repair Kit Includes Drill, in
Threaded Inserts, Fasteners & Hardware, Business & Industrial - PicClick CA
Heli-Coil Thread Repair Kit: Threaded Insert - 0.188 Insert Length | Part #5401-05
12 catálogo by Fludisa - Issuu
Heli-Coil Thread Repair Kit: Threaded Insert - 0.188 Insert Length | Part #5401-05
Heli-Coil Thread Repair Kit: Threaded Insert - 0.188 Insert Length | Part #5401-05
Heli-Coil 5401-04 Thread Repair Kit,304 SS,4-40,36 Pcs
HELI-COIL® 5402-4 #1/4-28 UNF Thread Repair Kit - SkyGeek
Heli-Coil Thread Repair Kit: Threaded Insert - 0.188 Insert Length | Part #5401-05