export concrete drill bit

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Oct 12, 2020 · details about mag drill bit rotabroach m24 see original listing. mag drill bit rotabroach m24: condition: new. ended: 12 oct, 2020 10:52:45 bst. starting bid: £12.00 [ 0 bids] postage: doesn't post to united states see details . item location: ...

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.

export concrete drill bit manufacturer with years's experience, from China.We mainly provide export concrete drill bit with high quality and competitive cost.we've an expert export concrete drill bit item designers.Our product is by means of the national experienced certification.


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