V-Coil 4 mm Thread Repair Inserts M4 x 0.7 1.5 D 20 off Helicoil Compatible
£5.50
V-Coil 4 mm Wire Thread Repair Inserts for M4 x 0.7 1.5 D 20 off. Produced from precision profiled austenitic stainless steel wire wound into a helical spiral, free running inserts have a spring like appearance.
