Recoil Thread Repair Insert, M4 x 0.7, Drill Size 4.2mm

Recoil helically wound wire thread inserts can be used to strengthen threads giving applications a longer life. Each insert shares the load over the entire bolt and hole, improving holding or pull out resistance and providing more even distribution of stress and load.
Recoil inserts are generally made of type Stainless Steel 304 (AS 7245) Austenitic corrosion resistant steel rolled into a diamond shape cross-section.

Lightweight yet robust design gives superior holding power
Quick and simple installation process
Length is 1.5D