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Counter-rotating twin-edged 350 mm diameter full disperser
Arrow-like ribs on the outside in the rotational direction with sleeve bearing and seal to inner pipe.
Product features
- Outer pipe with 324 mm diameter drill pipe connecting sleeve and 400 mm diameter left-handed coil
- Displacer body 350 mm in diameter
- Bearing lubricated with grease with grease nipples for regreasing
- Inner pipe with SW 120 mm hexagonal sleeve at the top
- Drill tip with conical right-handed coil at the bottom
- Lower coil end reinforced with welded-on WT50 holders and replaceable 1656 flat teeth
- Inner drill end with concrete discharge opening to concrete via the displacement cylinder in the dual drill head adjustable approx. 120 mm downwards
- Inner pipe below with screwed-in holder and replaceable, armoured SD80 fishtail pilot tip
Technical data
- 62/42 kNm torques
- Basic length approx. 2000 mm
- Overall length approx. 2200 mm