Audited Supplier
Geological Drilling Tools Accessories Core Barrel Assembly
Wire-line core drilling tools can lift core from drill rods without picking up coring system. A complete set of wire-line drill tools include: Core barrel assembly, overshot assembly, drill rods, holding dog, hoisting plug, circle wrench etc. It has some advantages such as high penetration rate, high penetration rate, high core recovery ratio, long bit life and lower labour intensity. The advantages can get more clear with the increasing of drill hole depth.
Products Features:
- High-Pressure Capability
- Precise Measurement
- Optimal Flow Control
- Maximized Uptime
- High Abrasion Resistance
- High-Strength Design
Diamond Core Bit choice chart
Rock Type | Rock Hardness | Abrasiveness | Hardness NO. |
Clay,Shale,Ash Stone,Gypsum,Tuff,Serpentinite,Calcite, Coal,Argillite,Volcanics,Sandly Pebble | Soft | Medium | BST 1/3 |
Sandstone,Lithoid Limestone, Limonite | Medium Soft | Very High | BST 3/5 |
Medium Hard Sandstone,Hard Shale, Hard Ash Stone,Dolomitic,Marble,Hard Schist, Hard Streak Stone,Siltstone,Andestite | Medium | High | BST 5/7 |
| Peridotite,Gneiss,Limonite | Medium Hard | Medium High | BST 7/9 |
Pegmatite,Schist,Norite,Syenite,Gabbro,Peridotite, Grandiorite,Granite,Basalt,Hard Streak Stone | Hard | Medium To Low | BST 9/11 |
| Amphibolite,Diorite,Rhyolite,Quartzite | Very Hard | Medium To Low | BST 11 |
Silicious,Hard Sandstone,Rhyolite, Dense Quartzite,Ironstone,Taconite,Jasperite,Chert | Utral Hard | Low | BST 14 |
Quality Control:
We keep strict quality control upon very step of production.
Company Profile:
Situated in Wuxi city which is renowned as geological driling equipment manufacturing center of China, Best Drilling has been specializing in geological drilling equipment since 2008.And now it has become one of the leading manufacturers in this industry.
Since the day of establishment, Best Drilling people never ceases their effort in pursuing quality products and qualified personnel.Not only have we adopted advanced modern manufacturing equipment but also we set up R&D center and brought in large number of professionals. Eg, our chief engineer a famous specialist in this filed with more than a experience of 30 years.
Best Drilling people sincerely look forward to working with you in the near future.
FAQ:
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.
