4mm-12mm HSS Step Drill Bit Spiral Flute Step Drill Bits Stepped Cone Drill Bit Drilling Tool

Label:Yes [Wide Hole Range] A single drill bit can create hole sizes from 4 mm (0.16 in) to 12 mm (0.47 in), reducing the need for frequent bit changes. [Practical for Thin Metal Work] This step drill is a practical choice for work where thin steel, aluminum, or plastic enclosures and panels need clean, accurate holes. [Ideal for Softer Materials] It is most commonly used on softer materials such as thin iron sheet, aluminum, PVC, and wood boards up to 4 mm (0.16 in) thick. [High Hardness HSS] The step drill bit is made from high speed steel, delivering impressive hardness and strong wear performance for long lasting use. [Titanium Coated Surface] The surface is coated with titanium, giving the drill bit a polished gold appearance that resists fading over time.

Specifications: Material: High speed steel Color: Gold Surface Finishing: Titanium coating Step Size:4mm(0.16in), 6mm(0.24in), 8mm(0.31in), 10mm(0.39in), 12mm(0.47in) Triangular Shank: 6mm(0.24in) Quantity: 1pc

Package Includes: 1 x Step Drill Bit