V-Spule 4 mm Drahtgewinde Spiralnut Maschinengewindebohrer M4,0 x 0,7 Helicoil kompatibel

V-Coil 4 mm Helical Wire Thread Insert Spiral Flute Machine Tap M4.0 x 0.7. MachineTap Spiral Flute suitable for use with all Helically wound wire thread repair inserts of this size. Particularly useful when needing to tap as deeply as possible into a blind hole.

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