Specifications

reverse circulation Hammer:
1.efficient energy transfer
2.faster drilling speed
3.lower oil consumption
4.longer life

 

 

3" 4" 5" 6" reverse circulation RC hammer with long life:

 

1. 10 years manufacturing experience;

2. Certificate: ISO9001:2008

3. Material: Carbide

 

 

Reverse Circulation Hammer
Items	Length (without Bit)	Weight (withoutBit)	External Diameter	Bit Shank	Hole Range	Connection Thread	Working Pressure
NRC45	1020mm	94.00Kg	Φ99mm	NRC45	Φ114-Φ127	Upon the thread of the drill tube	1.0-3.0Mpa
NRC55	1111mm	66.50Kg	Φ126mm	NRC55	Φ133-Φ152	Upon the thread of the drill tube	1.5-3.5Mpa
NRC65	1250mm	110.00Kg	Φ146mm	NRC65	Φ155-Φ190	Upon the thread of the drill tube	1.5-3.5Mpa
NRC52	1208mm	70.00Kg	Φ126mm	PR52	Φ133-Φ146	Upon the thread of the drill tube	1.5-3.5Mpa

 

 

 

 

The Characteristics of NRC Hammers

NRC series reverse circulation DTH hammer is the latest developed product of our company. It is mainly used for deep exploration drilling and stope ore grade control.

 

 It has the following characteristics:

1. Based on previous experience of ordinary hammers, combined with the features of reverse circulation hammer, optimized internal structure and ideal energy transfer, thus ensuring the series of hammers drilling with fast, smooth and continuous sampling.

2. The internal structure is very simple with components of high rigidity, thus ensuring long life and easy maintenance of the hammer.

3. The collection tube adopts an integrative design and can be replaced without disassembling the hammer. With carburizing treatment, it has good abrasive resistance.

4. Equipped with bits designed with patent. Simply by replacing the drill bit, the same hammer can drill holes of different sizes ensuring theat the ample is not contaminated.

5. In difficult conditions such as loose soil, hard rock and plenty of water exists, sampling can be done well.

 

 

 

 

 

 

down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer

down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit