HELICOIL Plus Free Running Thread inserts for metals

Proved and tested for over 60 years: HELICOIL thread inserts create highly resilient joints in metal materials with low shear strength. Every thread of the thread insert with precisionformed, rhombic profile is free running. The result is an internal thread true to gauge that can be used from both ends. The HELICOIL Plus Free Running is coloured green to allow for easier identification when it is installed. A diamondshaped imprint on the end of the last turn on every HELICOIL Plus Free Running marks it