3 Pcs HSS Step Drill Bit Set, 4mm-12/20/32mm High Speed Steel Step Drill Bits Set Titanium Coated, Cone Hole Cutter Drill Bits with Universal Hex Shank for Wood Metal Plastic PVC Board Sheet

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  • Premium Material This step drill sets are made of outstanding strong HSS steel material and coated with Titanium, which are wear-resistant, corrosion-resistant, rust-resistant, sturdy, and durable for long time use.
  • Package Includes You will receive 3 pcs step drill bits set, and one storage bag, with 3 kinds of size, the dimensions of step cutter for metal are 4-12 mm, 4-20mm, 4-32mm, which can meet your needs in different needs.
  • Widely Used Titanium drill bit is suitable for processing copper and aluminum pieces, mold steel, spring steel, cast iron pieces, iron and other metal materials. Widely used to cut holes in aluminum, insulation board, PVC board, the thickness of wood within 5mm.

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