How to drill a truely roundness and straightness hole? Look no further than SPD indexable drill

How to drill a truely roundness and straightness hole? Look no further than SPD indexable drill
  • To drill Dia 40mm, depth 390mm hole on pulley ( material 39 NiCrMo3 ) by Nine9 indexable drill
  • Nine9 replaceable insert 10xD drill - S45C
  • Nine9 5xD ~ 10xD indexable drill
  • Nine9 5xD to 12xD Indexable drills with better straightness
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