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Specifications

Specialisted in producing varies kinds of drilling rods in different size, including twist drill rod, tri-angle drill rod, exploring water drill rod, anchor shank drill rod, outburst-prevention drill rod, extension rod, DTH hammer, integral drill rod, etc.
 
With ISO certificate and quality control.
 
Made-to-order products can be supplied according to your detailed requirements.

1, light weight (lighter than the old-fashioned drill pipe 45%)

2, footage soon, dust small vertical holes left after drilling cuttings, into a hole clear.

3, card beans quickly and easily connect and save banding material.

4, under separation of body and drilling may be the end, the use of life extended.

5, water-based wet good pass operation.
The material of this product is the 55sinomo hollow hexagon bar iron. The specification: 0.5, 0.8 meter, 1 meter to 6 meter etc., each kind of specification is complete.
 
For more detailed specifications please feel free to contact with us.

made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment.
Detailed Product Description
 
Extension Drill Rod  
 
Dimension
Thread
Length
H22
R22,R25
920mm~2435mm
H25
R25,R28
920mm~3050mm
H28
R28
920mm~3050mm
H25
R32
920mm~2435mm
H28
R32
1220mm~3660mm
H32
R32,R38
1220mm~5250mm
H35
R38,T38
1220mm~5250mm
32
R32
920mm~1830mm
38
R38
1200mm~3660mm
38
T38
3050mm~4270mm
45
T45
3050mm~3060mm
51
T51
3050mm~3660mm