Drill bits directly affect drilling efficiency. This guide helps you choose and maintain them properly.
Common Types of Drill Bits
1. Button Bits
For hard rock, high wear resistance.
2. Cross Bits & Chisel Bits
For soft to medium rock.
3. Tapered Bits
For pneumatic rock drills.
4. Threaded Bits
For high-power hydraulic rock drills.
How to Choose Bits
• Hard rock → button bits
• Soft rock → cross or chisel bits
• Deep drilling → threaded bits
Maintenance Tips
• Replace worn bits on time
• Avoid over-drilling with damaged bits
• Store in dry place
• Use matching drill rods
Signs to Replace Drill Bits
• Slow drilling
• Unusual vibration
• Visible wear and deformation
