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Dth drilling tool ql50 down the hole dth drill bits 105-130mm diameter black 2 inch dth drill bits , down the hole hammer bits for shank br2 api 2 3/8'' thread blue color 165mm 3 wings drag bits for water well drilling

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Aug 14, 2020 · since its beginning in 1985, numa has become a major manufacturer of dth hammers and bits for the domestic and international drilling industry. the company designs and builds downhole hammers and bits for drilling vertical and horizontal holes 3½ to 50½ inches (89 to 1,283 millimeters) in diameter. to learn more, visit www.numahammers.

Dth drill rods, you can buy good quality dth drill rods , we are dth drill rods distributor & dth drill rods manufacturer from china market. ... dth hollow drill rod top hammer drilling tools for geothermal exploration hole. contact now. 76mm api2 3/8'' reg dth drill rods for mine mining / well bore , high accuracy. ... customized diameter dth ...

Professional export Mission60 Down the hole Bit goods of China supplier for international and neighborhood trade company.Being the most beneficial products of our factory,our export Mission60 Down the hole Bit merchandise series happen to be tested and won us professional authority certifications. For extra parameters and item list specifics,please click the button to have additional information.


We are an enterprise that export export Mission60 Down the hole Bit to China, we're authorized by the relevant state registratio. Key export Mission60 Down the hole Bit and sell to numerous regions in China, solution offered upon request. We've the spirit of "customer initial, honesty first" principle, having a number of enterprises established long-term cooperative connection.

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