WS39 casing tooth
JM cutter toothDRILLNOVA / ROTARY DRILLING TOOLS
Roller bits &
cutting teeth for
rotary drilling.
From replacement cutting teeth to core barrels, buckets and casing systems.
PRODUCT SUPPORT
What are you looking for?
01
Replace a cutting part
Find the product family, then match the model and its mounting interface.
02
Build or modify a barrel
Start with the barrel diameter, rig connection and the supply scope.
03
Investigate wear or poor drilling
Record the whole lower assembly, the wear pattern and the drilling cycle.
Our focus
From the cutting point
to the complete core barrel.
Find the part you need to replace, or the tool you need to build.
Cutting assemblies
Roller bits
Match the mounting, compare models and check what you need supplied.
Explore roller bits
Replacement parts
Teeth & wear parts
Bullet teeth, casing teeth and cutter teeth, with matching holders.
Explore wear parts
Tool assemblies
Core barrels
Roller-bit and bullet-tooth assemblies for new tools and rebuilds.
Explore core barrels
Inside the workshop / Core-barrel weldingManufacturing & QC
The work behind
the tool.
See component machining, roller-bit bearing checks, carbide-insert brazing and core-barrel positioning. Follow the actual work and the inspection points for the part you need.
- Component manufacturing
- Dimensions & bearing fit
- Cutting-ring assembly
Workshop & field
Installation and drilling, on video.
See roller-bit positioning, cutting-ring layout and drilling controls.
16 secTool design
How the cutting arrangement works
Follow the barrel, cone positions and cutting ring.
Watch video
10.5 secWorkshop checks
Positioning and tack-welding a roller bit
Check the mounting position before the weld is completed.
Watch video
11 secField practice
Recording the rig display
Keep the display readings with the rig and the stage of work.
Watch videoField reports
Core-barrel rebuilds
and field trials.
See the tool, the inspection and the changes made on site.
On-site refit
MH-3 refit:
50+ m of drilling
An existing barrel refitted on site, with welding guidance, operator training and approximately 57 m of cumulative drilling recorded.
Read field report
Design & field trial
High-spiral barrel:
cuttings discharge
A new barrel for heavy wear and packed cuttings. Follow the operator’s encouraging discharge feedback, recovered rock and inspection record.
Read field report
Engineering survey
1,500 mm barrel:
define the rebuild
A twelve-position survey turned the worn ring and cutter geometry into a proposed repair and fitting plan.
Read field reportTOOL SELECTION & QUOTATIONS
Have a model, a drawing
or a tool to replace?
Send the information you have. A part photo, the required quantity and the destination are enough to start the discussion.