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Dth hammers.. dth hammers which are provided with optimum functionality and high tolerance power. these tools are extensively used for down-the-hole drilling purposes.our series of dth hammers are valve less hammers with optimized air cycle frequency with high penetration rates. these are heavy duty dth hammers that well at greater depths by less air usage; delivering …
Supanchor r32 anchor bar coupling for rock anchoring. features . supanchor® self drilling anchor system is a bolting solution for difficult ground and rock conditions. the system enables drilling and grouting in one operation, making much saving in jobsite and project time. applications . tunnelling ground engineering. 1.
Alibaba offers 1,730 hq drill pipe products. about 45% of these are mining machinery parts. a wide variety of hq drill pipe options are available to you, …
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