6Pcs HSS Titanium Coated Step Drill Bit With Center Punch Drill Set Hole Cutter Drilling Tool

Features:  - [High-quality material]: Titanium alloy coating is made of high-quality steel, which can reduce friction and heat, making it easier for you to use;  - [Unique design]: The groove design can provide a faster, smoother and cleaner cutting effect;  - [Widely used]: This drill bit is very suitable for all kinds of soft metals, plastics, fiberglass, wood, so you can use it anytime and anywhere;  - [Trilateral handle]: Trilateral handle can prevents from drill bit slipping in tray.    Specifications:  Product Name: Step Drill Bit;  Material: High Speed Steel 4241 (HSS);  Finish: Titanium;  Shank: 1/4 inch or 3/8 inch;  Size:  6 setps Step Drill: 3/16-1/2 inch (3/16, 1/4, 5/16, 3/8, 7/16, 1/2);  9 setps Step Drill: 1/4-3/4 inch (1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4);  10 setps Step Drill: 1/4-1-3/8 inch (1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8);  12 setps Step Drill: 3/16-7/8 inch (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8);  13 s