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FLUTED BACKREAMERS INCLUDE TWO TYPE:INTEGRAL FLUTED BACKREAMERS AND WELDING TYPE BACKREAMERS
INTEGRAL FLUTED BACKREAMERS
The body of integral fluted backreamers is cast by mould. One - piece shaft is made of alloy steel quenched and tempered. The feature is high strength and good wear resistance.(Backreamer size 200mm-600mm diameter be bespoken as order)
WELDING TYPE FLUTED BACKREAMERS
The welded fluted backreamers manufactured by our company is made of one core shaft with high tensile strength. Water-resisting cavity be designed, small operation torque. Sand delivery channel under deep, large opening, smooth sand discharge, small resistance. (Backreamer size 600mm-1800mm diameter be bespoken as requirements)
Fluted backreamers Parameter Sheet
Reamer Size | / Thread /Shaft Size | ||||||||
NC23 | D50 | NC26 | D80 | NC31 | NC38 | NC46 | NC50 | 5-1/2’’FH | |
200mm | ¢90 | ¢90 | ¢90 | ¢90 | ¢118 | / | / | / | / |
250mm | ¢90 | ¢90 |
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