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Drill College

How to Choose Correct Anchor Bits?

This article explains how to choose the right anchor bit type based on rock conditions to ensure efficient drilling and reduce deviation in various formations.

How to Choose correct Bit Head Design for DTH drill bits?

Learn how to choose the right DTH drill bit head design—flat, concave, or convex—based on rock conditions to improve drilling efficiency and reduce costs.

Do you want to save drilling costs? Then re-sharpen button bits in time!

Button bits have the advantages of high drilling speeds, stable and long service life, and are widely used in mining, quarrying, water wells, construction and other fields.

How to Solve Common DTH Hammer Failure?

Learn how to solve common DTH hammer issues, including broken or cracked drive subs, pistons, and out tubes, with proper maintenance, lubrication, and handling techniques.

6 Ways to Solve DTH Drill Bits Failure

Discover 6 ways to fix DTH drill bit failures like spline breaks and piston damage with tips on lubrication, part replacement, and drilling parameter adjustments.

8 Ways to Solve Shank Adapter Failure

Learn 8 common causes of shank adapter failure in top hammer drilling and how to fix them to improve tool life and drilling efficiency.

Failure Analysis Guide of Coupling Sleeves

Discover key tips to prevent shank adapter damage in hydraulic rock drills by addressing common wear issues and improving maintenance practices.

Failure Analysis of Thread Drill Rods

Learn common causes of thread drill rod failure—like thread damage and cracks—and how proper use, alignment, and maintenance can extend service life.

Everything about the Failure Analysis of Thread Button Bits

Explore common failures of thread button bits—like carbide pop-out and steel cracks—and learn how to prevent them with proper drilling practices and maintenance.

What’s the Friction Welding Process for DTH Drill Rods?

Friction welding creates strong DTH drill rod joints using heat from friction and pressure, offering high strength, efficiency, and eco-friendliness for drilling use.
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