4-12/20/32mm Large HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter 6pcs

Include: 3pcs Strp Drill Bits & 3pcs Saw Drill Bits. The step drill bits Set replaces 29 individual drill bits. Saw Drill Bits: 3mm / 6mm / 8mm. Saw drill: 3mm, 6mm, 8mm. Step drill bits Strp Drill Bits: 4-12mm / 4-20mm / 4-32mm.

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