ql series Drilling DTH Hammers and Button Bits Used for Sale

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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.

Energy asia group private limited co.reg no. 199200543g gst reg no. 199200543g 1 scotts road, #24-10, shaw centre singapore 228208 (65) 6214 1780 (65) 6214 1787

Best quality hq bq nq drill pipe drill rod. drill pipe / drill rig / drilling rod 1.whole heat treatment 2.screw thread heat treatment. 3.hard chromed on pin end friction welded drilling rods 73mm to 140mm api standard r780 / 42crmo4 alloy steel, heat treated.

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