E-Z Coil helical insert coils are manufactured by forming the stainless-steel wire into a diamond shape and then winding it into a spring. E-Z Lok, a leading manufacturer and master distributor of ...

E-Z Lok offers E-Z Coil and thread repair kits designed to quickly repair or reinforce tapped holes in soft metals using durable, corrosion-resistant helical coil inserts made from 18-8 stainless ...