3Pcs High Speed Steel Step Drill Bit Set Hex Shank Straight Flute with Storage Pouch

Feature: 1. 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). 2. Help to enlarge existing holes. Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, wall etc. 3. High quality high speed steel material, more strong and durable, long service life. Ti nitride coating for cooler running 4. Two‑flute design for smoother cutting. High step design let you feel the stop and never drill bigger in mistake. 5. 3pcs HSS Step Drill Bit (4 12 4 20 4 32mm ). 1 4in hex shaft drives are suitable for all kinds of for home DIY power drills. Specification: Item Type: Step Drill Material: High Speed Steel Color: As shown in the picture Weight: Approx. 97g 3.4oz . Package List: 3 x Step Drill1 x Storage Pouch