Diamond Step Core Drill Bit (20-35-50mm)
Multi-Size Hole Cutter • Tungsten Carbide Construction • Fast & Precise Drilling
🔧 Three Hole Sizes in One Tool
Innovative stepped design allows drilling and enlarging holes to 20mm, 35mm, and 50mm without changing bits.
💎 Industrial-Grade Durability
Manufactured from premium tungsten carbide alloy for outstanding strength, wear resistance, and long service life.
⚡ Fast Material Removal
Advanced multi-stage cutting design removes debris efficiently, helping reduce heat buildup and improve drilling speed.
🎯 Clean & Accurate Cuts
Designed to minimize chipping and cracking while producing smooth, professional-quality holes.
🏠 Perfect for Renovation & Installation Projects
Ideal for sink installations, pipe penetrations, electrical work, plumbing, tile cutting, and countertop modifications.
🛠️ Universal Tool Compatibility
Fits most standard drills, rotary tools, and compatible power equipment for easy installation and operation.
🪨 Multi-Material Performance
Suitable for drilling through granite, quartz, stone, ceramic tile, porcelain tile, marble, concrete, and other hard materials.
Features
✔ 20mm / 35mm / 50mm Step Sizes
✔ Tungsten Carbide Alloy Construction
✔ Fast Debris Removal Design
✔ Reduced Chipping & Cracking
✔ High Wear Resistance
✔ Professional-Grade Performance
✔ Universal Drill Compatibility
✔ Suitable for Multiple Materials
Perfect For
🚰 Sink Installations
🚿 Plumbing Projects
⚡ Electrical Work
🏠 Home Renovations
🪨 Stone Countertops
🧱 Tile & Masonry Applications
Product Details
Material: Tungsten Carbide Alloy
Hole Sizes: 20mm / 35mm / 50mm
Type: Diamond Step Core Drill Bit
Application: Drilling, Reaming & Hole Enlargement
Compatibility: Standard Drills & Rotary Tools
📦 Package Includes:
1× Diamond Step Core Drill Bit (20-35-50mm) 🔧💎🪨