Step Drill Bit Set, 3 Pieces Titanium Coated High Speed Steel Unibit Cone Drill Bit Kit for Plastic, Wood, Metal Sheet, Aluminum Hole Drilling Stepped Driil Bit (Metric 4-12mm/4-20mm/4-32mm)
【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
【Material】HSS combined with a titanium coating. More capable and durable.
【Easy Drilling】Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake
【Package Included】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ). 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills.