Feature●Material: Special steel, titanium coated step drill●[Specifications] Hexagonal Shaft Diameter: 0.25 inches (6.35 mm). Set of 3 (15 mm) levels, 0.2 - 0.8 inch (4 - 32 mm), 0.2 - 0.8 inch (20 mm), and 0.2 - 0.5 inch (4 - 12 mm) 5 levels●Uses: Drilling holes in aluminum plates, wood, vinyl, resin, etc. Can also be used for chamfering, enlarging holes, etc. Cannot be used with iron and stainless steel platesDescription
Step Drill, 0.2 - 1.3 inches (4 - 32 mm), 0.2 - 0.8 inches (4 - 20 mm), 0.2 - 0.5 inches (4 - 12 mm),