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Apr 04, 2018 · a wide variety of heavy weight drill pipe options are available to you, such as drill pipe, drill collar. you can also choose from 1 year, 6 months, and 3 months heavy weight drill pipe, as well as from api heavy weight drill pipe, and whether heavy weight drill pipe is well drilling, coal mining, or ore mining.

The rockmore story. rockmore international’s roots began in 1948, with the founding of the mining industry’s newest manufacturer, throwaway bit corporation. named for its flagship single-use drill bit products, throwaway started with a commitment to quality – a promise to manufacture high quality bits from the toughest steel and carbide inserts available.

Drill pipe heavy duty box end pipe length 6000mm o.d. 90mm i.d. 55mm pin 4 threadsper inch 60deg. flats 65mm wide by 76mm square pipe has elevator connectionsd.

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