DTH BACK HAMMER

TYPE: DTH BACK HAMMER
Length: 510mm-600mm
Diameter: 140mm-240mm
Thread: API 3 1/2’’ & API 4 1/2’’
Working pressure: 8 Bar
Processing Type: Forging

Back hammer

In case of jamming of any drilling tool in drilling process, the back hammer will help you to solve hat.

The back hammer may be mounted between the drill pipes and saver sub of drifter, thus creating a combined effect of effective reverse impact and vibration.

Sturdy and reliable, the back hammer is composed of three components and a plastic housing which acts both as an exhaust emissions guider and a muffler. 

With regards to the maintenance,it's only necessary to keep it clean and the linking section well protected when the back hammer is not in use.

The Breakout bench is a tool that can save and re- cover a drill string stuck in a hole, 

it can be easily fitted in a suitable tube joint between the drill support and the rotation head to provide an effective combination of backward hammering and vibration to loosen stuck drill strings.

Size

Pressure

Thread

Length

Diameter

KGS

STRB140

8 bar

API 31/2

510

140

31

STRB160

8 bar

API 31/2

540

160

44

STRB190

8 bar

API 41/2

580

190

63

STRB240

8 bar

API 41/2

600

240

85

ADVANTAGES:

1.Saving money when drilling complex ground

2.Special heat treatment, strength the back hammer working life

3.Especially on mining, water well drilling, and quarry drilling & foundation work

4.Supply OEM service

5.Complete after sales service, solve problems within 24 hours

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