Size - 4mm. Pitch - 0.7mm;Complete thread repair kit - Including the required drill;V-Coil tap and drill manufactured from High Speed Steel;V-Coil wire thread inserts manufactured from aerospace specification stainless steel;Due to the narrow and exact tolerances, the newly repaired thread is usually stronger than the original thread

• V-Coil 4mm x 0.7 Thread Repair Kit

V-Coil 4mm x 0.7 Thread Repair KitV-Coil