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Step Drag Bits
Model: Sinodrills-12
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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;
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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Most suitable for drilling downward and inclined blast-holes in medium nard and hard rock with a hardness of f=8~18: An ideal ... | |  Maxdrill YT28 Air-leg Rock Drill
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??T28 Air-leg Rock Drill
Grouped control mechanism, quick to start up withair-on, water-on, air-off mechanism easy handle and maintain. Low noise, small ... | |  MAXDRILL Thread Button Bit
Maxdrill Rock Tools Co., LTD
Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest ... | |  Self Drilling Accessories
Guizhou Sinodrills Equipment Co.,Ltd
Sinodrills Self Drilling Accessories
Self drilling rock bolting accessories: bit, plate, coupling sleeves, nuts;... | |  Self Drilling Rock Bolt
Guizhou Sinodrills Equipment Co.,Ltd
Sinodrills Self Drilling Rock Bolt
Self drilling rock bolts sizes: R25, R28, R32N, R32S, R38, R51N, R51L, T76N, T76S;
Thread standard: left thread and ... |
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