PDC Rock Drill Bits

PDC (Polycrystalline Diamond Compact) Drill Bits are engineered for Horizontal Directional Drilling (HDD) and water well drilling through sedimentary and abrasive rock formations. Featuring a durable 5-wing cutter design, they deliver fast penetration, accurate steering and long-lasting performance in shale, sandstone, limestone and dolomite.

PDC rock drill bits are ideal for dual rod HDD drilling machines, including  Ditch Witch® AT and Vermeer® DR rigs.

Price range: $3,190.00 through $3,410.00

Description

Available Sizes

We offer PDC Drill Bits in a range of sizes to suit various HDD drill rigs and drilling applications.

Bit SizeConnectionSuitable Drill Rigs
5½”2⅞” API Reg PinDitch Witch® JT3020AT & JT30 All Terrain
6½”3½” API Reg PinVermeer® D23x30, D36x50DR & Ditch Witch® JT4020AT

Looking for another size? Contact our team to discuss your requirements.


Heavy-Duty Polycrystalline Diamond Compact Drill Bits for HDD

When drilling through sedimentary and abrasive rock formations, selecting the right drill bit is essential for achieving maximum performance and productivity. No Dig Equipment supplies premium PDC (Polycrystalline Diamond Compact) Drill Bits designed for Horizontal Directional Drilling (HDD), water well drilling and civil construction applications.

Featuring a durable 5-wing cutter design, our PDC drill bits deliver fast penetration rates, accurate steering and exceptional wear resistance. Designed for medium to large HDD drill rigs, they provide reliable performance in demanding ground conditions while helping to reduce downtime and extend tool life.


Why Choose Our PDC Drill Bits?

Our PDC drill bits are engineered to maximise drilling efficiency in sedimentary rock formations while delivering long-lasting performance.

Features & Benefits

✔ Polycrystalline Diamond Compact (PDC) Cutters

✔ Durable 5-Wing Cutter Design

✔ High Penetration Rates

✔ Excellent Steering Control

✔ Outstanding Wear Resistance

✔ Long Service Life

✔ Suitable for HDD & Water Well Drilling

✔ Available in Multiple Sizes


Suitable For

Our PDC Drill Bits are ideal for drilling through:

  • Shale
  • Sandstone
  • Limestone
  • Dolomite
  • Sedimentary Rock
  • Abrasive Formations
  • Mixed Ground Conditions

Applications include:

  • Horizontal Directional Drilling (HDD)
  • Water Well Drilling
  • Civil Construction
  • Utility Installations
  • Pipeline Construction
  • Telecommunications Infrastructure
  • Electrical Conduit Installations
  • Gas & Water Pipeline Projects

Built for HDD Contractors

Our PDC Drill Bits are trusted by HDD contractors across Australia for their ability to deliver fast, accurate pilot bores through sedimentary rock formations. The robust 5-wing cutter design provides excellent stability and steering control, making them ideal for utility installations where bore accuracy is critical.

Whether you’re installing water, gas, electrical or telecommunications infrastructure, our PDC drill bits are built to perform in demanding drilling environments.


Why Buy from No Dig Equipment?

For over 25 years, No Dig Equipment has supplied quality HDD tooling and trenchless equipment to contractors throughout Australia. We understand the challenges of directional drilling and can recommend the right drill bit to suit your drill rig, ground conditions and project requirements.

When you choose No Dig Equipment, you benefit from:

  • Expert HDD advice
  • Quality rock drilling tools
  • Australia-wide delivery
  • Reliable customer support
  • Extensive range of trenchless equipment

Frequently Asked Questions

What are PDC Rock Drill Bits >
PDC (Polycrystalline Diamond Compact) Drill Bits use synthetic diamond cutters to efficiently shear through rock formations. They are widely used for Horizontal Directional Drilling (HDD) and water well drilling due to their durability, high penetration rates and precise steering capabilities.
What ground conditions are PDC Drill Bits best suited to? >

PDC Drill Bits perform best in sedimentary and medium-hard formations, including shale, sandstone, limestone, dolomite and other abrasive ground conditions.

Are these PDC Drill Bits suitable for HDD? >

Yes. Our PDC Drill Bits are specifically designed for Horizontal Directional Drilling and are suitable for HDD drill rigs ranging from approximately 30,000 lb to 100,000 lb, depending on the bit size and application.

What sizes are available? >

Our standard range includes 5½-inch and 6½-inch PDC Drill Bits with API Reg pin connections. Contact us if you require additional sizes or advice on selecting the right bit for your project.


Need Help Choosing the Right PDC Drill Bit?

Selecting the right drill bit can significantly improve drilling performance and tool life. Our experienced team can help you choose the ideal PDC Drill Bit based on your drill rig, ground conditions and project requirements.

Contact No Dig Equipment today for expert advice and a competitive quote.

Additional information

PDC Rock Drill Bits

5½", 6½"

PDC Rock Drill Bits

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