Coal Mine Exploring Twist Drill Rod Auger Spiral Drill Pipe (new)
Geo Tec International Pvt Ltd
India
Upstream
-
Geo Tec International
-
-
India
Upstream
-
Geo Tec International
-
-
Description:-
When drill super soft high pressure coal seam, diameter 90mm, 113mm, 133mm, 146mm will be recommended. It will be more convenient to lay and install core barrel. This kind of drill rod guarantees high efficiency of drilling work, which stops a gap in China.
Dia.
|
Length
|
Thread type
|
Craft
|
Connection type with drilling machine
|
50-42
|
500~1500
|
Taper thread
|
Friction welding
|
clamp
|
63.5-42
|
500~1500
|
Taper thread
|
Friction welding
|
clamp
|
63.5-50
|
500~1500
|
Taper thread
|
Friction welding
|
clamp
|
73-50
|
500~1500
|
Taper thread
|
Friction welding
|
clamp
|
73-63.5
|
500~1500
|
Taper thread
|
Friction welding
|
clamp
|
90-63.5
|
500~1500
|
Taper thread
|
Friction welding
|
Match active drill rod
|
98-73
|
500~1500
|
Hex. Shank
|
Friction welding
|
Match active drill rod
|
110-63.5
|
500~1500
|
Taper thread
|
Friction welding
|
Match active drill rod
|
130-63.5
|
500~1500
|
Taper thread
|
Friction welding
|
Match active drill rod
|
146-73
|
500~1500
|
Taper thread
|
Friction welding
|
Match active drill rod
|