Extension rods, there are R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually.Steel grade: 20CrNi3Mo equivalent to SANDBAR 64SIZE: hex.22mm .hex.25mm, hex.28mm. hex.32mm...
Inquiry Now
Main Products:
rock drills, drilling bit & hammer, drilling rod...
more