... drilling machines 20 core drill bits 1 extension barVacuum base and pumpHose, Allen keys & spannerRRP OVER $ ... or horizontal and can be used with the vacuum base or bolted down. 2. One core drilling ... core drill machine with suction cups on its base. This machine is ideal for doing small jobs ... extension bar for deeper drilling ,200mm long. 6. Vacuum base and pump,suitable for the general purpose drill. ...