Air Core Bit

Air Core Drill Bits – Premium Tungsten Carbide

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

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

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

Product Parameters

 ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

ROSCHEN Manufactory PROCESS

ROSCHEN Sales Value Growing Up!

ROSCHEN'S MISSION

1. Strive to create and supply Best quality products for the industry that last longer than the average products.

2. Provide excellent service for our clients.  24 hour-7 days /week schedule to get our clients what they need – FAST.