construing industries:
Tapered Drilling Rods (H22x7, 11, 12), Tapered Chisel, Cross & Button Bits (H22x7, 11, 12)
Threaded Cross & Button Bits (R32, R38, R51, T38, T45, T51)
Coupling Sleeves (R32, R38, R51, T38, T45, T51),
Shanks (R32, R38, R51, T38, T45, T51) Pick Cutter ( W6H, W5H)
DTH Hammer ( CIR65 - CIR200W, DHD340A - DHD112C )
DTH Bit ( CIR65A - QT90 - CIR170, DHD3.5 - DHD360...