




Rotary Roller Bit Core Barrel for Piling Foundation Chinese Core Barrel Supplier
The core barrel with roller bit can drill the formation which the drilling bucket and core barrel with bullect teeth can not drill on foundation piling project.If you want to cut hard rock, you should have high effective core barrel piling with constrution drilling equipment.
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The core barrel with roller bit can drill the formation which the drilling bucket and core barrel with bullect teeth can not drill on foundation piling project.If you want to cut hard rock, you should have high effective core barrel piling with constrution drilling equipment.
Item: |
Core barrel with roller bits |
Diameter: |
800~2800mm or customized |
Bits types: |
81/2'' IADC 637 |
Shell Thickness: |
20mm |
Stiffening Ring Thickness: |
45mm |
Kelly box: |
200 or 250mm |
Adaptation Formation |
Hard rock ≥ 80 Mpa |
Industry |
Bored hole pipe contractor/Deep foundation construction |
Drilling Rigs Applicable |
Bauer,Soilmex,Casagrande,Sany,Sunward,XCMG,Jint,Zoomlion,CRRC,Yutong |
Size Chart
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 |
6 |
1000 |
920 |
1800 |
250 |
20 |
45 |
8 |
1200 |
1120 |
1800 |
250 |
20 |
45 |
10 |
1400 |
1320 |
1500 |
250 |
20 |
45 |
12 |
1500 |
1420 |
1500 |
250 |
20 |
45 |
12 |
1600 |
1520 |
1500 |
250 |
20 |
45 |
14 |
1800 |
1720 |
1500 |
250 |
20 |
45 |
16 |
2000 |
1920 |
1500 |
250 |
20 |
45 |
18 |
2200 |
2120 |
1500 |
250 |
20 |
45 |
20 |
2400 |
2320 |
1500 |
250 |
20 |
45 |
22 |
2500 |
2420 |
1500 |
250 |
20 |
45 |
24 |
2800 |
2720 |
1500 |
250 |
20 |
45 |
26 |
Why Choose us
• High quality of material steel of Q355B,high hardness and good wear resistance.
• Full guide strips on the shell,protecting the shell and guide out the gravel.
• Good drilling efficiency , 50~60cm per hour.
• Overall aftersale service, one-stop piling solution provided
About BAORUI
WHY CHOOSE US ?

STRONG STRENGTH
We have 7 professional senior engineers who have worked in the industry for 8-15years to support the design of custom products.

PROFESSIONAL
We uphold the spirit of ingenuity, follow the strict process technology, the use of superb manufacturing skills to serve our customers.

SUPPORT FOR CUSTOM
We have 7 professional senior engineers who have worked in the industry for 8-15years to support the design of custom products.

QUALITY SERVICE
We not only provide good products, but also ensure thoughtful service and professional after-sales service team
APPLICATION CASE
INQUIRE
Note: Please complete this form, and we will contact you by the next business day.
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