Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Mining Machinery Parts
PDC Bolting Drill Bit

PDC Bolting Drill Bit

Used for drilling the rock with hardness f>=10. Adopting high-grade diamond segment material with super hardness and good toughness, and advanced welding technique and equipments, it is used for drilling the rock with hardness f≥10. Comparing with the alloy drill bit, it has...
Coal Drill Bit

Coal Drill Bit

Mainly connected with spiral drill shank and works together with coal electric drill machine or portable drill machine. mainly connected with spiral drill shank and works together with coal electric drill machine or portable drill machine. Due to the technique of finish casting and...
Slurry Pump

Slurry Pump

It is used for supplying flush liquid during heading in coal lane, and the flush liquid can be slurry, water and coal water. main parameters: rated working pressure: 1.5 MPa rated flux: 50L/min piston rated cicle time: 190/min piston dia: 60mm piston stroke: 50mm suction water pipe...
Slurry Pump

Slurry Pump

It is used for supplying flush liquid during heading in coal lane, and the flush liquid can be slurry, water and coal water. It is used for supplying flush liquid during heading in coal lane,and the flush liquid can be slurry,water and coal water .it belongs to single-action piston pump...
Geological Drill Bit

Geological Drill Bit

can be used together with various drill machine in underground coal mine. SpecificationDrill Hole Diameterφ42,φ55,φ60,φ75,φ90,φ108,φ113Coupling Dimensionectangular Thread, coupling withφ42,φ50,φ63.5,φ70 of drill rod etcSpecial service base on...
Reinforced Bolting Drill Bit

Reinforced Bolting Drill Bit

Made of superior steel with high strength and good toughness. Able to drill the rock with hardness f<=7 The drill body is made of superior steel with high strength and good toughness. Due to good hard alloy used for the edge, its concussion performs very well. So it is able to drill...
Normal Bolting Drill Bit

Normal Bolting Drill Bit

Adopts the technique of finish casting,Suitable for drilling in soft rock with hardness f<=5. With high cost performance. Adopts the technique of finish casting,Suitable for drilling in soft rock with hardness f≤5. With high cost performance.Bore Hole...
Anti-collapse High-efficiency Combined Drill Bit

Anti-collapse High-efficiency Combined Drill Bit

The high efficiency and high strength,Can take reverse rotation Anti-collapse high efficiency combined drill bit has the high efficiency and high strength, it adopts multistep drilling mode: the first class is two-wing drilling, the second class is expanding bit which adopts three-wing...
High-efficiency Spiral Drill Rod

High-efficiency Spiral Drill Rod

Meet the practical needs for water and gas exploring and injection under the coal mine. High-efficiency Spiral Drill RodThe high-efficiency spiral drill rod can meet the practical needs for water and gas exploring and injection under the coal mine. It adopts square coupling for...
High-efficiency Comcined Drill Bit

High-efficiency Comcined Drill Bit

Made of high-grade alloy steel for assuring drilling efficiency. The base body is made of high-grade alloy steel for assuring drilling efficiency. Because the drilling depth is usually up to dozens of meters, the strength and toughness of drill bits must be powerful. All the alloy...



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