flintronic 3Pcs Spiral Grooved Step Drill Bit, 4mm to 12/20/32 mm (5/32" to 5/4") HSS Titanium Coated, Hex Shank Metric Cut Tool for Wood, Stainless Steel,Metal Sheet

• 📦【Package List】 1 × (4-12 mm), 1 × (4-20 mm), 1 × (4-32 mm) step drill. The step drills have three sizes to meet your different needs. And the package contained a nylon bag.
• 📣【Two-Flute Spiral Groove Design】Faster, more stable and smoother cutting. It can automatically chamfer the hole to clean the drill bit.
• 🔧【Hex Shank】1/4"(6.35mm) hex shank work with most drill or drills with 1/4" chuck , fits into power tools chuck securely and eliminates slip.
• 🔧【HSS & Titanium Coated】Made of super strong HSS steel and coated with Titanium, Titanium coating ensures easy cutting steel, Aluminum sheet, Brass, Copper, plastic, wood etc.
• ✔【Application】Suitable for sheet metal, sink, car repair, etc. Widely used to cut holes in a variety of material like plate, aluminum, insulation board, PVC board, the thickness of wood within 5mm.

Flintronic Titanium Coated Drill Bit with 4-12 / 4-20 / 4-32 mm High Speed Steel Widely Used and Interested: Compatible models, bench drills, manual drills, rechargeable drills. The cone is suitable for drilling larger and deeper holes, or for expanding the opening of the drilling area. Cutting blade design can speed up cutting speed and drill holes automatically when drilling. BENEFIT: 1. Use drill bits: Drill holes step by step to reduce damage to drilling parts during drilling. 2. With CNC machine tools, every process is strictly controlled and quality control at every stage. 3. Compared to drills, stepped drills are not easy to break and can cut holes of different sizes. The centering punch is made of impact resistant steel alloy and can be easily placed before drilling and breaking glass. Positioning and pre-drilling to protect the tapered tip. Beautiful and practical design Home renovation and monitoring/general building technology. PRODUCT DATA: Color: Gold Material: steel Surface treatment: titanium PACKAGE INCLUDES: 1 x HSS Drill 4-12mm 1 x HSS Drill 4-20mm 1 x HSS Drill 4-32mm 1 x Nylon Bag