Inserti riparazione filo V-Coil 4 mm M4 x 0,7 1,0 D 20 off compatibile Helicoil
V-Coil 4 mm Wire Thread Repair Inserts for M4 x 0.7 1.0 D 20 off. Produced from precision profiled austenitic stainless steel wire wound into a helical spiral, free running inserts have a spring like appearance.