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—MAXDRILL Drifting Drill Rod/ Extension Rod

Extension rods, there are R22, R25, R28, R32, R38, T38, T45, T51, ST58, GT60 threads, and different lengths of rods are available from 600mm to 6400mm usually.

1. Steel grade: 20CrNi3Mo equivalent to SANDBAR 64
2. SIZE: hex.22mm .hex.25mm, hex.28mm. hex.32mm hex.35mm

Dia.32mm. dia.38mm, dia.45mm dia.51 mm

(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51, ST58, GT60

(3)Length: 0.4m-6.4m                                                                    

(4)Package: in pallet or in bundles.

(5)Productivity: 20000MT / month