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Reverse Circulation Drill Pipe (RC Drill Pipe)
COP1132 R32 D35 410 shank adapter
COP1838ME T38 D38 525 shank adapter
COP2560EX T51 D63 770 shank adapter
YH65 70 80A T45 D51 500 shank adapter
R25 41mm Parabolic button bit
TR35 43mm Parabolic button bit
TR35 45mm Semi-Ballistic button bit