Home/Products/Drilling tools/Rotary drilling tools/Grab-type core barrel
DRILLING TOOLS · ROTARY DRILLING TOOLS
Grab-type core barrel
Core barrel that grips cobbles and boulders inside the barrel so they come out with the tool, for large gravel and boulder layers.
| DiameterD · mm | Body diameterD1 · mm | Overall heightH · mm | Body heightH1 · mm | Upper wall thicknessT1 · mm | Lower wall thicknessT2 · mm | Bullet teethpcs |
|---|---|---|---|---|---|---|
| Φ800 | 720 | 1950 | 1550 | 25 | 40 | 8 |
| Φ1000 | 920 | 1950 | 1550 | 25 | 40 | 12 |
| Φ1200 | 1120 | 1950 | 1550 | 25 | 40 | 12 |
| Φ1500 | 1420 | 1950 | 1550 | 25 | 40 | 16 |
| Φ1800 | 1720 | 1950 | 1550 | 25 | 40 | 20 |
| Φ2000 | 1920 | 1950 | 1550 | 25 | 40 | 24 |
| Φ2200 | 2120 | 1950 | 1550 | 25 | 40 | 24 |
| Φ2500 | 2420 | 1950 | 1550 | 25 | 40 | 28 |
| Φ3000 | 2920 | 1950 | 1550 | 25 | 40 | 32 |
9 catalogue sizes from Φ800 to Φ3000 mm, each with body diameter, overall height and body height. Catalogue values; dimensions in mm unless stated. Other sizes on request.
Overview
In boulder ground a normal barrel can cut around a stone and leave it behind. The grab-type barrel closes on the stone so it is lifted out in one run.
Applications
How to order
To order, give us the diameter from the table, your rig make and model, and the Kelly bar connection. We reply by email within one business day.