Air Core Drill Bits – Premium Tungsten Carbide

 

Harlsan’s premium air core drill bits last longer and drill faster, giving you cleaner samples and higher rig productivity.

Harlsan air core drill bits – close‑up of tungsten carbide blades

Choose Harlsan Air Core Drill Bits

  • Heavy‑duty tungsten carbide blades withstand shocks of high‑speed RC drilling
  • Proven 20‑year design – in over 40 countries
  • Cleaner sample return for better grade‑control decisions
  • Exceptional quality with ISO‑accredited manufacturing
  • Global shipping every day
  • Custom threads & sizes** shipped in days, not weeks
Array of premium air core drill bits ideal for RC drilling

High Strength Air Core Drill Bits

BUILT TO LAST

Drill more meters every day with Harlsan air core drill bits, in any ground conditions.

  1. Excellent Sample Return
  2. Tungstens Survive Tough Drilling Conditions
  3. Modifications to Suit Your Needs
  4. Wide Stock Range for Immediate Supply
  5. Proven Design with 20 Years in The Field
Air Core Drill Bits Brochure

Testimonial

“I’ve used Harlsan Air Core Drill Bits for 15 years. The tungstens survive in ground where other bits fail and I can rely on Harlsan for modifications to suit any drilling conditions.”

Eric Brown, Owner – Goldfire Drilling

Specifications & Options: Air Core Drill Bits

Rod threads

Thread Types

  • Remet
  • Metzke
  • RRE
  • TS
  • And others to suit your rig
Air Core Drill Bits - efficient in any ground

Bit Sizes

  • 75 & 78mm
  • 3″ to 4½”
  • Options for oversize shells & heads
Harlsan supplies configurations for all rigs

Options & Configurations

  • Air Core & Vacuum Bits
  • 2,3 and 4 blade types
  • Specialised wing bits also available
Built tough in Australia, for efficient drilling in all ground types

Australian Made  – Shipped Globally

Harlsan air core drill bits feature heavy duty tungsten carbide blades and will keep you drilling, even in the toughest ground!

Fast Global Supply of Air Core Drill Bits

  • Large stock held in Perth & Kalgoorlie
  • Same‑day dispatch worldwide
  • Expert engineers ready to help optimise your drill string

Call +61 8 9021 1288 or request an air core drill bits quote.

Read about how Harlsan has increased customers’ productivity significantly. Our case studies show real on-the-ground increases in drilling efficiency with Harlsan gear.