CCFA-AU-EX Ø 640 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 640 mm
Effective length 1,000, 2,000, 3,000, 5,000, 10,000 mm
Connector octagonal - 175 mm Spanner width
Type Standard
Casing cased
Equipment Outer edge of the flight is provided with wear protection

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Max. torque 250 kNm
Max. pull force 640 kN
Flight pitch 450 mm
Outside diameter hollow stem 254 mm
Inside diameter concrete supply pipe 125 mm
Type Standard
CCFA-AU-EX Ø 640 x 1000 CCFA-AU-EX Ø 640 x 2000 CCFA-AU-EX Ø 640 x 3000 CCFA-AU-EX Ø 640 x 5000 CCFA-AU-EX Ø 640 x 10000
Effective length [mm] 1,000 2,000 3,000 5,000 10,000
Total length [mm] 1,352 2,352 3,352 5,352 10,352
Casing outside diameter [mm] 750 750 750 750 750
Casing inside diameter [mm] 670 670 670 670 670
Weight [kg] 350 620 890 1,430 2,780
Article no. 13117140 13117141 13117142 13117143 13117144
Variants

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