Gold Index: 484
Hejian FangLei Drill Equipment CO., LTD [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Cangzhou Province/State: Hebei Country/Region: China (Mainland)
mill tooth bit
437 517 617 637
It is used for low compressive strength and soft formation of high drillability, such as, shale, clay, sandstone, soft limestone, halite, gypsum etc
2011-05-26
Assembly drill
Its structure is Large-diameter side top row of teeth within the spoon-shaped, and wedge-shaped outer row of teeth. Its teeth are different height and
single cone bits
drilling accessories
PDC BIT