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Help CenterTop Hammer Rock Tools - Drill Rods,MF Rod,extension Rod
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Threadextension steel bars for rock drilling include extension rod, MF rod, lightextension drill rod, drifter rod, shank adapter drill rod etc. We can also callsuch thread extension drill rod as threaded drill rod or threaded pipe, theyown one end thread or both ends thread, with hollow round body or hollowhexagonal body. It is the main part of the threaded connection drilling toolsor drilling equipments. Threaded drill rod is connected with top hammer rockdrill rigs via shank adaptors & couplings, another end, they are connectedwith drill bits via thread also. Threaded rod could be connected with otherdrill rods to constitute a complete set of threaded connection whole drillingtools for drilling. Threaded drill rods could be connected with one piece ofshank adapters and drill bits, or connected with lots of adaptors and bits. Andther can also be used in shallow holes and small diameter rock hole drilling,the applicable scope is wide, drilling speed, impact energy transmission lossis small, high drilling efficiency, easily to realize the drillingmechanization and improve the superiority of drilling conditions. Therefore,thread extension drill rods share a very very big proportion in the wholedrilling fields.
Threadextension steel bars for rock drilling must own high fatigue strength,elasticity, rigidity and toughness, but strength and toughness iscontradictory. The thread at both ends of the thread rods is a whole set ofdrilling tools, it's the key part of rod. It is well known that the performanceof the material could be played well only after going through heat treatment torelease its maximum potential, therefore, the choice of material and heattreatment process are important on an equal basis.
R32,R38, T38, T45, T51, T60 Thread Extension Rod:
(1)Threaded Connection: R22, R25, R32, R38, T38, T45, T51, and so on.
(2)Diameter: OD32, OD38, HEX32, HEX35, And so on.
(3)Length: 600-6400mm.
(4)Package: Wooden cases or wrapped with plastic knitting and then packed intobundles or as per your requests.
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