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HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD

City: shijiazhuang

Province/State:hebei

Country/Region:china

Tel:86-311-69159874

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long hole retrac button bit

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Tungsten Carbide Steel Down The Hole Drill Bits For Rock Drilling With Diameter 50-600mm

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50mm Length Rock Drilling Bit With 2 Flushing Holes Used In Mining And Tunneling

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Forged Tapered Rock Drilling Bit 50mm Length 2 Flushing Holes 0.25kg Weight Black/Yellow/Green/Red

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2 Flushing Hole Rock Drilling Tool For Mining And Tunneling

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3 1 / 2 Inch 89mm DTH Drill Pipe Carbide Alloy Steel For Rock Drilling

... play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH ... 2025-06-21 00:38:41

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