Customization: | Available |
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After-sales Service: | Select The Most Suitable Product |
Warranty: | 6 Month |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment Methods: |
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Support payments in USD |
Secure payments: | Every payment you make at Made-in-china.com is protected by the platform. |
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Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Size |
Inner tube o.d * thickness |
Outer tube o.d * thickness |
Drill bit o.d | Core diameter |
Bits size |
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BQ | 42*2.5 | 58*6 | 60 | 36.4 | BQ | |
NQ | 56*3 | 73*6.5 | 75 | 47.6 | NQ | |
HQ | 73*3 | 93*7 | 95 | 63.5 | HQ | |
PQ | 93*3 | 114*6 | 122 | 85 | PQ | |
tunnel core barrel |
KBQ | 43*3 | 58*6 | 36.4 | BQ | |
KNQ | 56*3 | 73*6.5 | 47.6 | NQ | ||
KHQ | 73*3 | 93*7 | 63.5 | HQ |
We can also support Core Drilling accessories:
Hoisting Plug /Reamer Shell/Fork/Pipe Wrench/UL-FORK/Adaptor/Core Shifter/ROD wrench/Stabilizer/BQ,NQ,PQ,HQ Drill Rod etc.
Packing: Seaworthy Packing
Delivery: about 30 days after your down payment.
Pre-sale service:
>>Select the right most suitable products.
>>According to the rock types, choosing the face type, button tooth type.
>>According to the different purpose, choosing the different body type