Revolutionize the way you approach thread repair with the Helicoil 5621 Thread Repair Kit. HeliCoil 5621. Insert Quantity: 6 HeliCoil 5621-15. Thread Insert Type: Helical Insert, Smallest Internal Thread Size: 1/4-20.
HeliCoil 5621 Automotive Thread Repair Kit
Helicoil Inch Coarse Master Thread Repair Kit 5621
Helicoil Metric Fine Master Thread Repair Kit 5626-125
Helicoil No. 4934 Master Thread Repair Set
Helicoil Metric Coarse Master Thread Repair Kit 5626-150
Helicoil Inch Fine Master Thread Repair Kit 5625
