T38, T45,T51 extension rods 3050mm 3.05m, MF rods 3660mm 3.66m 4.2m 4.6m

T38-1220mm (4ft) thread extension MF drill rods are produced with round sections in all common thread designs, and in Male/Female (M/F) connections. All of our Jinquan's extension drill rods are heat-treated with carburization or high frequency, bombinated with phonemicization.

(1) Threaded Connection: R22, R25, R32, R38, T38, T45, T51, T60 and so on.

(2) Diameter: OD32, OD38, Hex32, Hex35, And so on.

(3) Length: 800-6000mm.

(4) Package: Ply-wooden cases or wrapped with plastic knitting and then packed into bundles or as per your requests.

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Liaocheng Jinquan Construction Machinery Co.,Ltd - China manufacturer of rock drilling tools button bits top hammer rock tools DTH hammer button bits