Name: CCFA-AU-EX Ø 640 CCFA continuous flight auger (double rotary drilling)
Brand: Liebherr

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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.

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CCFA-AU-EX Ø 640 CCFA continuous flight auger (double rotary drilling) - Liebherr

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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