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Dth bits are available in sizes from 3" to 18", with all type of shanks (including atlas copco, sandvik, ingersoll rand shanks etc.). dth bits come in three different standard bit head/face designs (convex, flat, and concave), and with a variety of tungsten carbide button shapes to suit a wide variety of drilling conditions.

165mm bit for 6 inch hammer middle and high pressure dth hammer bit 6.5 inch drilling bits mission series , find complete details about 165mm bit for 6 inch hammer middle and high pressure dth hammer bit 6.5 inch drilling bits mission series,dth hammers and button bits,tricone roller three cone oil well drilling drag rock bit,tricone bit smith insert from …

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China api spec 5dp oil drill pipe 89mm g105 or s135, find details about china 3-1/2", api 5dp from api spec 5dp oil drill pipe 89mm g105 or s135…

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