♦ Adjustable and upgrade-able system for deep drilling more than 1m.
♦ Capacity to adapt head from Ø32 to 80 mm or carbide core bit from Ø30 to 125 mm.
♦ Head with carbide tip and centring drill bit with 2 cutting edges.
♦ Finish to assembly the tool with spanner gripping.
♦ Regularly lubricates the coupling screw.
♦ Put the delivered spring on the female part (blocking system).