wholesale DTH Bits series

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Quality core drill bit manufacturers & exporterbuy wireline drilling core drill bit aq bq nq hq pq sizes / rock drill bits from china manufacturer. changsha changtan geological equipment co.，ltd sales & support

Reverse circulation rc drilling hammers and hammer drill bits provide outstanding performance along with outstanding reliability and simplicity. our reverse circulation hammers are suitable for any exploration and grade control process to obtain an accurate sample with no contamination.

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.

Designed for drilling in extremely hard materials including stainless steel cobalt drill bits have a great resistance to heat and friction providing a longer tool life cobalt drill bits offer 12 times life rating when compared to standard 118-degree point drill bits

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China Down the hole Bits series

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hot sale Cir Down the hole Bit

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165mm Alloy Bit trader

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