Best Drilling manufacture and supply wireline core barrels for geologival drilling.
The Wireline Core Barrel is an essential tool in geological exploration, widely used in mining, civil engineering, and environmental studies. Designed for efficient core sampling, this advanced drilling equipment is ideal for retrieving undisturbed core samples from various rock formations, enabling precise analysis and decision-making in the field.
We also provide core barrel parts such as core lifters, core lifter cases and locking couplings. This kind of core drill strictly complies with the international standards. Core drilling tools can lift core from drill rods. During this process, picking up coring system is not necessary. Core barrel assembly, overshot assembly, drill rods, holding dog, hoisting plug, circle wrench are all belong to drill tools.
Q Series Double Tube Core Barrel
No. | Standard | Item | Bit Std | Reamer Std | Bit OD(mm) | Bit ID(mm) |
AQ | 1.5m double tube core barrel | AQ | AQ | 47.6 | 27 | |
BQ | 3m double tube core barrel | BQ | BQ | 59.5 | 36.3 | |
NQ | 3m double tube core barrel | NQ | NQ | 75.3 | 47.6 | |
HQ | 3m double tube core barrel | HQ | HQ | 95.6 | 63.5 | |
PQ | 3m double tube core barrel | PQ | PQ | 122.0 | 85 | |
SQ | 1.5m double tube core barrel | SQ | SQ | 147.6 | 102.0 | |
SQ | 3m double tube core barrel | SQ | SQ | 147.6 | 102.0 |
Main Manufacture and Supply Scope
- Drill rod
- Impregnated diamond core bits
- Surface set diamond bits
- Casing rod, casing shoes and casing bits
- Reaming shells
- Coring PDC bits
- Non-coring PDC bits
- Core barrel assembly and overshot
- drilling accessories include: inner tube, outer tube, locking coupling, adaptor coupling, inner tube stabilizer ring, landing ring, stop ring, etc.
- Other customized exploration core drilling tools&parts


Job site

Q1. Where is your factory?
A1: Our factory is located in Wuxi, Jiangsu, China, it takes only about 2 hours driving from Shanghai.
Q2. How do you control quality?
A2: ISO9001 has been passed. Mill Test Certificate is supplied , meanwhile the Third Party Inspection is available according to customers' requirement.
Q3. What are the advantages of your company?
A3: We have many professionals, technical personnel, more competitive prices and best after-sales service than other companies.
Q4. Can you arrange the shipment?
A4: Yes, of course, we have our forwarders which has cooperated with us for years.
Q5. How about the delivery time?
A5: It will be decided by the orders. Normally within 3 days after receiving your advance payment if we have stock.
Q6. Can you provide sample?
A6: Small samples in store can be provided for free.