DRILLNOVA

PRODUCT SUMMARY
S01 · 12 September 2026

WELD-ON / ROTARY PILING

MH-3 roller bit

A roller bit for core barrels, with a thicker piling leg and a preset welding angle.

139 mm
Catalogue cone size
52 × Ø14 mm
Insert count × diameter
Weld-on
Mounting
DRILLNOVA MH-3 roller bit render showing the complete cone and leg.

3D product rendering

Reference dimensions

Open full drawing in a new tab
MH-3 reference drawing D260327B with front, side and rendered views; dimensions in millimetres.
Reference drawing shown: D260327B · dated 27 Mar 2026 · dimensions in mm.

Catalogue values are nominal. Confirm the order drawing, mounting dimensions and supplied configuration before ordering or fabrication.

Check the installation

  • Match the leg profile and preset angle to the barrel layout.
  • Check radial position, working height and orientation.
  • Follow the agreed welding procedure and recheck the finished positions.
Installation & welding guide

Define what you need

  • Replacement roller bits, a lower assembly or a complete core barrel.
  • Quantity if known, destination and required delivery date.
  • Current tool photos or a drawing for the mounting check.

No model or quantity confirmed? Send what you have so we can discuss the next step.

DRILLNOVA · info@drillnova.com · Product summary S01 · 12 Sep 2026