premium dual tube drilling rod for air reverse circulation (RC) drilling in mining exploration purpose, OD.102MM, 108MM, 114MM,

Premium drilling rod for air reverse circulation (RC) drilling in mining exploration driling.

O.D. Available: 89mm, 102mm,108mm,114mm (3-1/2", 4", 4-1/4", 4-1/2")

Length: 1.5mm, 3.0mm, 6.0mm

Thread: Matrix, Metzke

double tube drilling rod for air reverse circulation (RC) drilling