CCFA-AU-EX-HD Ø 420 CCFA continuous flight auger (double rotary drilling)

The hollow stem and connector of the continuous flight auger have the same diameter. This means no narrowing of the cross-section in the flight thus ensuring optimum material flow.
Gallery loading.
Diameter 420 mm
Effective length 1,000, 2,000, 3,000, 4,000, 5,000, 6,000 mm
Connector octagonal - 150 mm Spanner width
Type Heavy duty
Casing cased
Equipment Outer edge of the flight is provided with wear protection

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Max. torque 120 kNm
Max. pull force 360 kN
Flight pitch 330 mm
Outside diameter hollow stem 203 mm
Inside diameter concrete supply pipe 100 mm
Type Heavy duty
CCFA-AU-EX-HD Ø 420 x 1000 CCFA-AU-EX-HD Ø 420 x 2000 CCFA-AU-EX-HD Ø 420 x 3000 CCFA-AU-EX-HD Ø 420 x 4000 CCFA-AU-EX-HD Ø 420 x 5000 CCFA-AU-EX-HD Ø 420 x 6000
Effective length [mm] 1,000 2,000 3,000 4,000 5,000 6,000
Total length [mm] 1,230 2,230 3,230 4,230 5,230 6,230
Casing outside diameter [mm] 508 508 508 508 508 508
Casing inside diameter [mm] 448 448 448 448 448 448
Weight [kg] 309 525 773 1,010 1,236 1,467
Flight pitch [mm] 330 330 330 330 330 330
Diameter [mm] 420 420 420 420 420 420
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Variants

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