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84-
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Coal drill rod
Coal drill rod for mining consumables tools accessories. A kind of spiral seam drilling rig used in high twist drill rod. Generally uses high quality carbon steel process, suitable for ground water drill hole.It is the coal mining ideal tools.
Coal drill rod (dry coal drill rod) and the hollow (wet coal drill rod),
Twist drill rod diameter are 26,28,30,38,40. According to the need of drilling, length is commonly in 0.5-6m.
Widely used in coal, gypsum mine etc.drilling and mining.
1.Light weight (45% lighter than the old pipe).
2.Fast penetration, little dust, vertical hole drilling cuttings, clear into the hole.
3.Card bean connection convenient and rapid, save strapping material.
4.Drill rod body tail separation can be used straight, prolong the service life.
5.Good water wet homework pass.
Model Drill rod caliber Drill angle Drilling diameter Drilling depth Boundary dimension spindle speed
Ф28 28 60(°) 28(mm) 1000(m) 28X 1.5(mm) 200
Ф38 38 60(°) 38(mm) 1000(m) 38X 1.5(mm) 200
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