Delivery Time:Based on Detailed Order
Certification:ISO & CE

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:

Quality control system. After-sale service. Brand new & not used. Product drawing and design. 24 hours service.