top sale drill bits grinding

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Drill pipe designed to deliver value. at grant prideco, it’s our mission to increase efficiency, improve performance, and reduce your total cost of ownership. from the design room to the wellsite, we produce the industry’s highest-quality, innovative drill pipe technologies that will help you achieve lasting success.

Bitroc offers a comprehensive range of quality dth and rc drilling bits for use in the mining, construction, and exploration industries in all kind of rock types and drilling conditions. dth bits are available in sizes from 3" to 18", with all type of shanks (including atlas copco, sandvik, ingersoll rand shanks etc.).

Anchor bolt: size: r38: diameter: 76mm-130mm: application: mine, tunnel, slope, foundation pit: material: steel: surface treatment: hot galvznized: mining support self drilling anchor bolt hollow injection bar . it is mainly applied in complex layer formation of broken rock, loose soil, weathering rock and so on which is difficult to make the ...

Dth drill bits are the most used drill tools no matter for construction or mining industry, especially for the mining industry, we can say the dth drill bit is the foundation for the mining drilling working.

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6 1 2 quot 165mm 3 wing tungsten carbide step drag bits for mine

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price for 73mm drilling pipe

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