








Diamond Step Drill Bit Set
βββββ 3,582+ Verified Reviews
Description
Diamond Step Core Drill Bit (20-35-50mm)
Multi-Size Hole Cutter β’ Tungsten Carbide Construction β’ Fast & Precise Drilling
π§ Three Hole Sizes in One Tool
Innovative stepped design allows drilling and enlarging holes to 20mm, 35mm, and 50mm without changing bits.
π Industrial-Grade Durability
Manufactured from premium tungsten carbide alloy for outstanding strength, wear resistance, and long service life.
β‘ Fast Material Removal
Advanced multi-stage cutting design removes debris efficiently, helping reduce heat buildup and improve drilling speed.
π― Clean & Accurate Cuts
Designed to minimize chipping and cracking while producing smooth, professional-quality holes.
π Perfect for Renovation & Installation Projects
Ideal for sink installations, pipe penetrations, electrical work, plumbing, tile cutting, and countertop modifications.
π οΈ Universal Tool Compatibility
Fits most standard drills, rotary tools, and compatible power equipment for easy installation and operation.
πͺ¨ Multi-Material Performance
Suitable for drilling through granite, quartz, stone, ceramic tile, porcelain tile, marble, concrete, and other hard materials.
Features
β 20mm / 35mm / 50mm Step Sizes
β Tungsten Carbide Alloy Construction
β Fast Debris Removal Design
β Reduced Chipping & Cracking
β High Wear Resistance
β Professional-Grade Performance
β Universal Drill Compatibility
β Suitable for Multiple Materials
Perfect For
π° Sink Installations
πΏ Plumbing Projects
β‘ Electrical Work
π Home Renovations
πͺ¨ Stone Countertops
π§± 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
π¦ Package Includes:
1Γ Diamond Step Core Drill Bit (20-35-50mm) π§ππͺ¨
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Diamond Step Drill Bit Set
FAQ's
How long does delivery take?
Estimated delivery time is usually 7-12 business days after your order has been processed and shipped.
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Eligible orders are covered by our 30-day refund policy. Refund conditions are explained in our Return & Refund Policy.
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