Numa Down the hole Bit factory

The down the hole drill rig consists of a drill rod, a dth button bits and an impactor. when drilling, use two drill rod extensions to drill. rotary air supply mechanism consists of a rotary motor, a rotary reducer, and an air supply gyrator. slewing reducer is a three-stage cylindrical gear enclosed heterosexual component.

R38 rock bolt anchors are especially designed for many complex ground conditions, such as weak rocks, loose soil, weathered layer and sand with stone layer. the self drilling anchor works very under unconsolidated ground condition. it is usually performed in cases where the ground needs to be further improved or stabilized during installation.

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Zhuzhou jinxin cemented carbide co., ltd. is best dth drill bit, top hammer drill bits and overburden drilling systems supplier, we has good quality products & service from china. # 801, building b, no. 500 jinshan road, jinshan technological industrial park,hetang district, zhuzhou,hunan china

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