M 4x0.7 Helical V-Coil Thread Repair Inserts pack of 100

Specification Inserts Per Pack: 100 Thread Size: M4x0.7 Length options: 1, 1.5, 2, 2.5, or 3 x diameter The most effective and universally accepted method of thread repair Quickly and permanently restore stripped, worn or damaged threads to their original size and condition Helical inserts are precision formed coils of extremely hard stainless steel (18-8), diamond shaped wire Work in any type of material Stainless steel Helical inserts eliminate thread wear, corrosion, galling and rust Part Number ES-12248