UTILITY POLE DRILL
白12" to 白40"
JOYTECH Pole Drill has been effectively used to dig holes in the heavy duty electric
It consists of DTH Hammer with Screw Shroud, Shock Absorber/Swivel, Bit,
and Top Sub (male, female or flange).
It takes not only a standard Bit, but also a JUCON Under-Reaming Bit
if the hole is to be cased simultaneously while drilling
Shroud Shock Absorber +Swivel POLE DRILL 白610mm with Shock Absorber & Swivel
POLE DRILL 白445mm