THEY HAVE A (PATENTED) JOINT THAT COMPENSATES FOR THE LATERAL ROTATION OF THE FRAME WHILE DRILLING OFF-CENTER. MOREOVER, IT ALLOWS THE CONTROL OF THE PERPENDICULARITY, BOTH PENDULAR BY GRAVITY AND (MOVING BACK THE BOX) PUTTING THE CHAIN, FOR THE EXECUTION OF INCLINED HOLES. THE LATERAL MOVEMENT CAN BE EASILY POSITIONED WITH A SCREW (HYDRAULIC MOVEMENT IS AVAIABLE UPON REQUEST).
STANDARD:
•OIL BATH GEARBOX
•PROTECTED CARDAN SHAFT
•THREE-POINT ATTACHMENT
•ADJUSTABLE CHASSIS FOR ANY WHEELED OR TRACKED TRACTOR
•MECHANICAL CONTROL OF PERPENDICULARITY
•QUADRILATERAL RECORDING OF INCLINATIONS
•SUPPORT FEET
OPTIONALS
•FLEXIBLE COUPLING CLUTCH
•CONSTANT VELOCITY JOINT TRANSMISSION
•WIRE GUARD
•HYDRAULIC ADJUSTMENT OF LATERAL MOVEMENTS