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DRILLNOVA · TOOLS FOR BORED PILING

Roller bits &
cutting teeth for
rotary drilling

Manufacturing cutting tools for bored piling. Helping you select, replace and fit them to your drilling tools.

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MH-3 weld-on roller bit — product photograph

Tools for bored piling

All products
MH-3 weld-on roller bit — product rendering
MH-3
MH-2 roller bit with a curved weld-on leg — product rendering
MH-2

Weld-on
roller bits

Flat and curved leg profiles for core barrels. Find the mounting that fits your tool.

Explore roller bits

Not sure what fits? Send a tool photo and a close-up of the mounting.

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Manufacturing & quality checks

Roller-bit manufacturing since 2009. Explore the processes and inspection points.

Manufacturing & QC
Bullet teeth on the brazing production line

Bullet teeth

Brazing production line
Roller-bit machining workshop with a central production aisle

Inside the roller-bit workshop

See the machining & assembly process

Matching a replacement? Check the mounting dimensions, cutter position and inspection record.

What to check before ordering

Tool replacement & site support

All case studies
Checking roller-bit positioning together with the site crew in Hunan

Hunan · 1,500 mm barrel

Roller-bit replacement

The 800 mm high-spiral core barrel at the Jieyang drilling site

Jieyang · 800 mm field trial

Designing for cuttings discharge

MH-3 roller bits fitted to the existing barrel during the Zengcheng assembly work

Zengcheng · 1,200 mm barrel

Reusing an existing barrel

Replacing cutters or planning a new barrel?

Discuss your application

Meet Drillnova

DRILLNOVA at Stand 118, No-Dig Live 2026, with HDD tool displays
No-Dig Live 2026 · Stand 118 · HDD & trenchless

Discuss your tools and application at an upcoming event.

Past exhibitions & visits
Preview of the roller-bit welding guide videoWatch video (2:30)
Roller-bit welding guideTikTok @rollerbits

Start with a photo.

Share your tool, part reference or drawing. Add the quantity and delivery destination.

Continue to enquirySend photos on WhatsApp
info@drillnova.com