IMT AF-160 Drilling with Core Barrel Hard Rock Foundation Drill

[@WuhanYijueMachineryCoLtd]

Hi, we are from China, manufacturing foudation drilling tools/accessories. any needs?

[@PilingSpecialist]

Who is the company operating this machine?

[@PilingSpecialist]

OMG! :)) i hope not!

[@TPICKER1111]

That is a gravity rig with no down pressure???

[@jbkid5706]

If you look at the Kelly bar you can see the slots on it the will lock in the rotary as it is turns so you can crowd down and put pressure on it.

[@CheesyPoncho]

@@jbkid5706 any pointers drilling on hard rock ?

[@eric-rockbit4096]

For hard rocks,roller bits core barrel is better