Step Drill Bit Set 20 35 50mm 3 Pack Pro Grade Cone Drill Bits For Metal Wood Concrete Tile Marble And Engineered Stone Multilayer Cone Reamer For Quick Precise Hole Enlargement Adrosstoller

Premium Step Drill Bit Set for Drilling Various Materials
✔️ Sizes: 20mm (0.79in), 35mm (1.38in), 50mm (1.97in); height 12mm (0.47in); 3/8 thread for metal, wood, concrete use

This step drill bit set includes three bits for making clean, stepped holes in tough materials. It's commonly used in DIY home projects, construction sites, and workshops for tasks like electrical installations or metal fabrication.

✅ Diameters: 20mm (0.79in), 35mm (1.38in), 50mm (1.97in) for adjustable hole sizes
✅ Height: 12mm (0.47in) to handle deeper cuts
✅ Thread: 3/8 for secure chuck fit
✅ Materials: Works on metal, wood, concrete, tile, marble, and engineered stone

💡 Why do pros pick step drill bits for tough jobs? Here's why they're a solid choice for drilling precision: This tool offers gradual hole expansion without the hassle of multiple bits. - Reduces bit walking on slippery surfaces for safer operation - Enables quick size changes to speed up projects - Delivers clean edges that minimize rework in metal and stone work