M35 Cobalt HSS Step Drill Bit, Titanium Spiral Flute Shank Step Bit for Stainless Steel (3-13mm 11-Step) Hole Drilling Cone Cutter Cut Tool Stepped Up Bit for DIY Lover Sheet Metal Plastic Steel Plate
This step drill bit for metal replaces 11 separate bits and comes in sizes ranging from 4mm to 22mm. Cone cutter has 11 precision steps (3, 4, 5, 13mm), which m...