Active Member
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[China]
Address: #1 Building, Hanyu golden Valley, Jingshi East Road, Jinan City, Shandong province, PRC
Contact name:Liu
Sinotechdrill International Co., Ltd |
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BQ NQ HQ PQ AQU BQU NQU overshot assembly , wireline drilling overshot
Specifications
1.ideal for use in most drilling conditions .
2.available for application in standard DCDMA hole sizes (B, N, H,
P).
Our overshots are an integral part of the Genuine Wireline System.
Once the inner tube is full of core, the overshot is lowered to the
bottom of the hole, and its heavy-duty lifting dogs grab a secure
hold at the top of the inner tube assembly.
Overshots are available for both surface and underground
applications.
Product Description
| surface drilling configuration | underground drilling configuration |
| AQ | AQ |
| BQ | BQU |
| NQ/HQ | NQU |
| PQ |
Core sizes:
| Double tube surface | ||||
| Size(surface exploration drill) | Metric system(mm) | Imperial system(in) | ||
| Hole diameter | Core diameter | Hole diameter | Core diameter | |
| BQ | 60 | 36.4 | 2.36 | 1.43 |
| NQ | 75.7 | 47.6 | 2.98 | 1.88 |
| HQ | 96.1 | 63.5 | 3.78 | 2.5 |
| PQ | 122.7 | 85 | 4.83 | 3.34 |
| Triple tube surface | ||||
| NQ3 | 75.7 | 45 | 2.98 | 1.78 |
| HQ3 | 96.1 | 61.1 | 3.78 | 2.41 |
| PQ3 | 122.7 | 83 | 4.83 | 3.27 |
Our factory
Packing & delivery
FAQ
Q: What's your delivery time?
A: Commonly produce need 20 days to produce. Within 3 days if in
stock.
Q: What methods of payment are accepted?
A: We agree T/T, L/C, West Union, One touch, Money Gram
Q: What about the shipment?
A: Based on order quantity and the length of drill rods. We can
send it to you by Express, by Air, by Sea, and by Train. Or send
the goods to your chinese agent.
Q: How to control the quality?
A: We should be checking & testing everyone drill rod before
shipment.
Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.
Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will be
compensate you the same. Any question or problem we will be reply
you within 24 hours.
Our Services:
