391 - 400 of 539
rock roller drill bit
Selling leads|
1000mm 40inch HDD hole opener and hdd rock reamer with 12inch roller bit The cone has a reasonable angle of inclination, and the back of the palm is ...
2026-06-18 00:31:12
|
|
43inch 1100mm HDD Rock Reamer With 12 Inch Roller Bit The cone has a reasonable angle of inclination, and the back of the palm is inlaid with a ...
2026-06-18 00:31:12
|
|
...Rock Drill Reamer Hdd Hole Opener Product Description TCI (tungsten carbide blade) tools can be used with diamond enhancement. Fixed tool reamer ...
2025-02-26 17:59:57
|
|
...Bit HDD Rock Reamer With Metal Seal Bearing TCI Tool Product Description High precision bearings "journal. Ball locking cone. Hard surface bearing ...
2025-02-26 17:59:57
|
|
8. 5inch 215.9mm IADC537 Tricone Rock Bit For Water Oil Well Drilling 1)Rubber sealed Bearing Structure High precision journal bearing with two thrust ...
2025-02-26 17:59:57
|
|
8. 5inch 215.9mm IADC537 Tricone Rock Bit For Water Oil Well Drilling 1)Rubber sealed Bearing Structure High precision journal bearing with two thrust ...
2025-02-26 17:59:57
|
|
...Drilling Drill Bit For Drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used ...
2026-06-18 00:31:12
|
|
... Holes - By drilling a smaller hole with a "pilot" bit, then attaching that said bit onto the bottom of the the hole opener. The hole opener will ...
2025-02-26 17:59:57
|
|
..., chalk 126,127 0.35-0.9 150-70 Soft formations with high compressive strength and drillability, such as mudstone, gypsum, salt rock, soft shale, ...
2025-02-26 17:59:57
|
|
...Bit For Water Well Drilling IADC Recommended parameters Applicable strata WOB KN/mm Rotating speed r/min 116,117 0.35-0.8 150-80 Extremely soft ...
2025-02-26 17:59:57
|
