NUTTDOO 3pcs HSS Step Drill Bit Set, 4-12mm, 4-20mm, 4-32mm for DIY Plastic Wood Metal

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  • 3 SIZES DRILL BITS SET INCLUDES 5 steps 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); 9 steps 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); 15 steps 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)
  • High Quality SS Step Bits are made of classic high-speed steel materials,with titanium coating.Provide good heat,wear and chip resistance,easy to drill and precise holes.The step drill bits are perfect for you to DIY.
  • Wide Application The Step drill bits can process different diameter holes,Idea for drilling holes in sheet metal,aluminum,brass,copper,wood,iron and plastic.Your best choice for DIY projects,furniture making or metalworking applications.
  • Easy to Use The bits have 1 4-inch hex shank,Easy to Fits and securely into most power drills tools to prevent slippage and shedding during rotation

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