|
|
0.5 - 0.7 MPa Down The Hole Hammer DTH90 Hammer Downhole Drilling Tools2025-03-07 16:20:51 |
|
|
34mm 4 Buttons 7 Degree Tapered Button Drilling Bits2022-03-15 15:49:29 |
|
|
St68 115mm Rock Button Bits Forging Processing2025-03-11 10:02:37 |
|
|
T38 Threaded Rock Cross Bits X-Type Bit 64mm 76mm 89mm For Bench Drilling2020-04-15 02:48:11 |