
Are You Struggling with Granite Drill Bit Issues?
Common Challenges in Granite Drilling
Standard drill bits break easily, requiring frequent replacements
Cracked edges and rough holes fail quality inspections
Overheating damages diamond coatings within 20 hours
Confusion when choosing from hundreds of drill bit types

Why Choose DINOSAW Diamond bit?
✓ 3x Longer Lifespan: High-temperature sintered diamond tips
✓ Smart Cooling: Spiral flute design reduces heat by 40%
✓ Universal Compatibility: Works with handheld drills, bench drills, CNC drilling machines and hydraulic rigs
Take Action Now to Get your Custom Quote for granite hole bits

Keep Reading to Discover:
► Proven techniques for drilling granite countertops
► How top contractors select diamond core drill bits
► Step-by-step guide to prevent edge chipping
Diamond Drill Tools for Every Application
Specialized Drill Bit Types

Diamond Core Drill Bits
Perfect for: Granite countertop drilling holes, marble sink installations
Key features: 6mm-150mm sizes, smooth cuts with no burrs
Granite Hole Saws
Ideal for: Anchor holes in stone facades, decorative cutouts
Advantages: Titanium-coated base, dry/wet drilling modes
Stone Drill Bit Kits
Best for: Mining exploration and geological sampling
Durability: Withstands 600°C, pairs with granite drilling machines

Real-World Usage Examples
Kitchen Renovation
Use 6mm diamond drill bits for granite countertops
Add water cooling to drill 1-inch holes in 30 seconds
Outdoor Stonework
Select 2.5-inch granite hole saw drill bit
Compatible with regular hole drill bits: 15 holes/hour
Artisan Carving
Try 0.5mm marble drill bits
Anti-slip grip ensures <0.1mm precision

How to Choose the Right Diamond bit for granite
3-Step Selection Guide for Professionals
Material Matters
Always verify diamond concentration (≥75 carats/cm³)
Look for carbide steel bodies with HRC62+ hardness
Precision Engineering
Check ISO 5468 certification for impact resistance
Prefer laser-etched depth markers for accuracy
Smart Features
Opt for diamond drill bits with auto-speed sensors
Ensure compatibility with your drilling machine model

Why DINOSAW Stands Out
Cooling Tech: 3D spiral flutes prevent overheating
Custom Solutions: Available for rare stones like basalt or quartzite
Trusted Brand: 20 years in stone drilling technology
Proven Success Stories
Monument Restoration
Challenge: Drilling 100+ 6mm holes in historic granite
Solution: Diamond core drill bit + vibration control system
Results:
✓ Zero cracks in 150-year-old stone
✓ 98% hole diameter accuracy

Mining Operation
Problem: 3-inch granite hole cutters failing every 8 hours
Upgrade: Tungsten-reinforced hole saw bits
Outcomes:
✓ 600+ holes per tool lifespan
✓ Reduced downtime by 70%
Countertop Manufacturer
Issue: Chipping during sink cutouts (21/2" holes)
Fix: Wet diamond hole cutter + guide template
Savings:
✓ $18,000/month in material waste reduction
✓ 40% faster installation speed

Expert Answers to Top Questions
What drill bit speed works best for granite?
→ 800-1200 RPM for dry drilling | 1500-2000 RPM with water cooling
Pro Tip: Start at 300 RPM to create pilot dimple
Can I use concrete hole saws on granite?
→ Not recommended. Choose diamond hole saws for granite to prevent:
✓ Premature wear ✓ Blade warping ✓ Chipped edges

How to drill 6mm holes in granite slabs?
· Use 6mm diamond core drill bit
· Apply 2kg downward pressure
· Clean debris every 15 seconds
Do you offer bits for granite composite sinks?
→ Yes! Our drill bits for granite composite feature:
✓ Dual-layer diamond matrix
✓ Anti-vibration collar
✓ 30-day performance guarantee
Transform Your Drilling Operations Today
Recommended Combos for Maximum Efficiency

Premium Kit
6mm-50mm diamond core drill bit set
Granite hole saw starter pack
Laser-guided depth stabilizer
Contractor Bundle
5 most popular granite hole cutters
Heat-resistant drill bit sharpener
PDF drilling parameter library