Mining Drill Bits

Mining drill bits are specialized cutting tools designed for exploration drilling, blast hole drilling, and production drilling in surface and underground mining operations. Unlike oilfield bits, mining bits face highly variable rock conditions—from soft coal seams to hard quartzite—and must balance penetration speed with durability under repeated tripping cycles. Mining contractors worldwide rely on bits that can hold up through broken ground and interbedded formations without constant replacement.

Core Advantages:

- Tungsten carbide insert (TCI) and steel tooth options for all formation types

- Threaded connections compatible with standard mining drill rods (R32, R38, T38, T45, T51)

- Retrac design for straight hole drilling in broken or fractured ground

- Robust bearing systems rated for high WOB and rotary speeds

- Available in sizes from 2" to 17-1/2" for various hole diameters

- Field-repairable cutting structures on select models to reduce replacement costs

Q: How do I choose between TCI and steel tooth bits for mining?

A: TCI bits perform better in hard, abrasive formations (quartzite, granite) due to their impact-resistant tungsten carbide inserts. Steel tooth bits are more cost-effective in softer formations like coal or shale.

Need durable mining drill bits that reduce your cost per meter drilled? Request a quote today with your formation details and we'll match the right bit to your operation.