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 |