10X Wood 5 Flute Large HSS Countersink Drill Bit Set & Step Cone Drill Bit Tool

3pcs HSS Steel Step Cone Drill Hole Cutter Titanium Bit Set 4-12/20/32mm. Our step drill bits are then coated with titanium for superior durability. PROFESSIONAL GRADE STEP DRILL BITS - High-speed step drill bits are a necessity for anyone completing professional or DIY projects.

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