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

3 Pcs Large HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter 4-12/20/32mm. Material: HSS Steel. 4-32 mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm). 1 Pcs x 4-32mm Step Cone Drill.

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