Core barrels are typically made from heavy-duty materials. Their strength is sufficient to penetrate tough rock formations. They have replaceable tungsten drilling picks that are positioned to maximize penetration of hard formation rock.The overall structure of the barrel drilling is relatively simple compared to other drill tools, but some details and design will have a direct impact on the drilling efficiency.
There are different types of core barrels, depending on the Client's needs. The core barrel has a heightening design and spiral wear-resistant strips to improve drilling efficiency. It is also available with bullet teeth and roller bits.
Core barrel double shells specially are used drilling for deep, large and toughest pile.Inner core barrel drilling first and work as a centerizer .The outer core barrel drilling and reaming.Ensuring the verticality of the pile.
Size Unit: mm
| Cutting Dia. | Shell Dia. | Shell Hit. | Stiffening Ring Hit. | Shell Thk. | Stiffening Ring Thk. | Teeth No. |
800 | 720 | 1800 | 250 | 20 | 45 | 11 |
| 1000 | 920 | 1800 | 250 | 20 | 45 | 15 |
| 1200 | 1120 | 1800 | 250 | 20 | 45 | 19 |
| 1400 | 1320 | 1500 | 250 | 20 | 45 | 23 |
| 1500 | 1420 | 1500 | 250 | 20 | 45 | 23 |
| 1600 | 1520 | 1500 | 250 | 20 | 45 | 27 |
| 1800 | 1720 | 1500 | 250 | 20 | 45 | 27 |
| 2000 | 1920 | 1500 | 250 | 20 | 45 | 31 |
| 2200 | 2120 | 1500 | 250 | 20 | 45 | 31 |
| 2400 | 2320 | 1500 | 250 | 20 | 45 | 35 |
| 2600 | 2520 | 1500 | 250 | 20 | 45 | 35 |
| 2800 | 2720 | 1500 | 250 | 20 | 45 | 39 |
One of the leading manufacturers for drilling tools in China.The tools are famous for its fast drilling efficiency,durable and solid structure.
Real manufacturer , quick & straight cooperation save time and money.
Rich experienced R&D team, one-stop private foundation piling solution provided.
Factory closed to Yantian &Shekou Port in Shenzhen, convenient on exporting the heavy duty eqquipment.