3-Wing Drag Bit
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5inch Tungsten Carbide Drag Drill Bit 3-Wing Stepped Bit TCI Drill Bit for Well Drilling
The 5-inch (127mm) three-wing carbide stepped drag bit is the standard drag bit for domestic water-well drilling, achieving 2-10 m/min ROP in soft to medium formations.
3 7/8inch 98mm 3-Wing Alloy Drag Bit TCI Stepped drill bit for Well Drilling
Tungsten carbide alloy stepped drill bits are made according to API standard or no thread standard just welding. Various step and chevron drag bits are available from 3 inch to 17 1/2 inch.
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