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Chevron Drag Bits
Model: Sinodrills-13
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Sinodrills Chevron Drag Bits
Chevron drag bit: three wings chevron drag bit, four wings chevron drag bit;
Drag bits diameter: 76mm to 445mm;
Drag bits thread sizes: 2 3/8" API Reg, 3 1/2" API Reg, 4 1/2" API Reg, 6 5/8" API Reg, etc; |
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Sinodrills Step Drag Bits
Step drag bit: three wings step drag bit, four wings step drag bit;
Drag bits diameter: 76mm to 445mm;
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Guizhou Sinodrills Equipment Co.,Ltd
Sinodrills Self Drilling Accessories
Self drilling rock bolting accessories: bit, plate, coupling sleeves, nuts;... |
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