Rennie Tools 6-teiliges Kombination HSS Bohrer & Gewindebohrer Set enthält M3 M4 M5 M6 M8 M10
15,51 €
Tap screws are designed with spiral flutes so the chip clearing process is better. These tap drill bits are best used on a machine to do the tapping, generally becuase it is more accurate because human error is eliminated.
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