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Home Page  >  Catalog  >  Rotary Drag Bits  >  NW6R Drag Reamer - Heavy Duty

NW6R Drag Reamer - Heavy Duty

The NW6R Drag Reamer (Holeopener) is designed to fit between an NW6R Connector and an NW6R Drag Bit Head. The NW6R Drag Reamer can be used with any size NW6R Head and is available with 3 or 4 blades. The Heavy Duty Reamer has 1" thick blades with 1/4" carbide inserts. Other shapes and sizes are available.

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  Weight  
Description Part # Lbs. Kg Diagram

3 Wing Drag Reamer - Heavy Duty

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5 1/2" (140mm) NW6RREAM512-3HD 18.0 8.2
5 5/8" (143mm) NW6RREAM558-3HD 18.0 8.2
5 7/8" (149mm) NW6RREAM578-3HD 18.0 8.2
6" (152mm) NW6RREAM600-3HD 18.0 8.2
6 1/8" (156mm) NW6RREAM618-3HD 19.0 8.6
6 1/4" (159mm) NW6RREAM614-3HD 19.0 8.6
6 1/2" (165mm) NW6RREAM612-3HD 19.0 8.6
6 3/4" (171mm) NW6RREAM634-3HD 21.0 9.5
7" (178mm) NW6RREAM700-3HD 21.0 9.5
7 7/8" (200mm) NW6RREAM778-3HD 21.0 9.5
8 1/2" (208mm) NW6RREAM812-3HD 26.0 11.8
8 3/4" (222mm) NW6RREAM834-3HD 26.0 11.8
9 7/8" (251mm) NW6RREAM978-3HD 28.0 12.7
10 5/8" (270mm) NW6RREAM1058-3HD 34.0 15.5
12 1/4" (311mm) NW6RREAM1214-3HD 42.0 19.1
14 3/4" (375mm) NW6RREAM1434-3HD 49.0 22.2
17 1/2" (445mm) NW6RREAM1712-3HD 71.0 32.2

4 Wing Drag Reamer - Heavy Duty

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5 1/2" (140mm) NW6RREAM512-4HD 19.0 8.6
5 5/8" (143mm) NW6RREAM558-4HD 19.0 8.6
5 7/8" (149mm) NW6RREAM578-4HD 19.0 8.6
6" (152mm) NW6RREAM600-4HD 19.0 8.6
6 1/8" (156mm) NW6RREAM618-4HD 20.0 9.1
6 1/4" (159mm) NW6RREAM614-4HD 20.0 9.1
6 1/2" (165mm) NW6RREAM612-4HD 20.0 9.1
6 3/4" (171mm) NW6RREAM634-4HD 27.0 12.2
7" (178mm) NW6RREAM700-4HD 27.0 12.2
7 7/8" (200mm) NW6RREAM778-4HD 30.0 13.6
8 1/2" (208mm) NW6RREAM812-4HD 30.0 13.6
8 3/4" (222mm) NW6RREAM834-4HD 30.0 13.6
9 7/8" (251mm) NW6RREAM978-4HD 38.0 17.2
10 5/8" (270mm) NW6RREAM1058-4HD 40.0 18.1
12 1/4" (311mm) NW6RREAM1214-4HD 50.0 22.7
14 3/4" (375mm) NW6RREAM1434-4HD 57.0 25.9
17 1/2" (445mm) NW6RREAM1712-4HD 81.0 36.7

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