* Extension Rod
a) Single or Double thread ( R38, T38, T45, T51 thread size)
b) Length : 10ft ( 3050mm) , 12ft 3660mm)
c) MM-rod ( Male & Male of each end) , MF-rod( Male & Female of....

* Shank Adapter
a) Upon the Crwler/ Jumbo Drill Rig model, different thread & size such as Atlas Copco, Furukawa, Montabert, Tamrock, Ingersoll-Rand, Toyo etc.
- Use for the....

* Button Bit
a) body type : normal, retrac
b) Head : Flat Face , Drop Center, Heavy duty
c) thread type : rope : R22, R25, R28, R32, R38 tripezoid : T38, T45, T51
d) Tip type : Spherical, ....

* DTH hammer
Combined to Pile Driver and Drilling equipment
Specialize in large size hole hammer bit

We are large manufacturers and exporters in Korea producing Rock drilling....

* Tapered Rod
a) Shank H22* 108 ( Degree 5, 6, 7, 11, 12)
b) effective size, length is from 800mm to 8800mm
- Length can be supplied upon request.
-Tungsten Carbide is fitted on the....

* Integral Drill Steel
a) Most common size are ISO 11, 12 ( series 11, 12, 13, 16, 17) , Diameter 27-40mm, Shank H22* 108mm
b) effective size, length is from 800mm to 8800mm
- Length....

* Coupling Sleeve
a) Thread & Size ( R25, R36, R32, R38, T38, T45, T51)
- To change the thread type or size for each different tools, Coupling Adapter can be used.
b) To change....