311 - 320 of 591
rock drill rods
Selling leads
|
..., geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of ...
2026-02-10 04:54:28
|
|
6" DTH Hammer Bits 140mm 146mm SD5 DTH Bit Rock Drill Bits Description: DTH Drill Bits are produced from premium quality nickel-alloy steel for ...
2024-12-09 12:11:48
|
|
Atlas Copco10" DTH Hammer Bits 254mm Cop84 DTH Bit Rock Drill Bits Product specifications:Cop84 DTH bits Model Bit Diameter Air Holes Qty*Button Dia...
2024-12-09 12:11:48
|
4 Inch Carburized Steel DTH Drill Bit for Water Well Drilling and High Performance Down The Hole Bit
|
...a finish. In-house manufacture gives them full control of the production, quality and composition of our bits. With today’s development in rock ...
2025-12-30 00:27:30
|
|
...h a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to ...
2024-12-09 12:11:48
|
|
... with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head ...
2024-12-09 12:11:48
|
|
... tube with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary ...
2024-12-09 12:11:48
|
|
...Drill Bits RocK Roller Bits Product specifications: Tricone bits are available in new and used (re-tip and re-run) steel tooth and tungsten carbide ...
2024-12-09 12:11:48
|
|
...Rock Roller Bits For Oil Drilling Product Application: Tricone bits are available in new steel tooth and tungsten carbide insert, size from 3 3/8”...
2024-12-09 12:32:02
|
|
... lose their effectiveness and then the drag bit is used, the cleaning of the hole is realized by the injection of air or water. They are not ...
2024-12-09 12:35:25
|