These Cutter Heads produce excellent results in curved or straight tubes. Pivoted arms of cutter Heads swing out by centrifugal force so that the cutters contact every part of the tube wall.
| Model No. | Tube I.D. | Cone Cutter Set of 3 Nos. |
Spare Arms | Universal Joint | |
| inch | mm | Model | Model | Model | |
| WA-12 | 1.1/2 | 38.1 | WAL-1 | WAA-1 | WAUJ-1 |
| WA-14 | 1.3/4 | 44.5 | WAL-1 | WAA-1 | WAUJ-1 |
| WA-16 | 2 | 51.0 | WAL-1 | WAA-1 | WAUJ-1 |
| WA-18 | 2.1/4 | 57.1 | WAL-2 | WAA-1 | WAUJ-2 |
| WA-20 | 2.1/2 | 63.5 | WAL-2 | WAA-1 | WAUJ-2 |
| WA-22 | 2.3/4 | 70.0 | WAL-2 | WAA-1 | WAUJ-2 |
| WA-24 | 3 | 76.2 | WAL-3 | WAA-2 | WAUJ-2 |
| WA-28 | 3.1/2 | 88.9 | WAL-3 | WAA-2 | WAUJ-2 |
| WA-32 | 4 | 101.6 | WAL-4 | WAA-2 | WAUJ-2 |
These Cutter Heads have 3 to 5 freely pivoted arms, activated centrifugally, which swing out to give access to any part of tube wall.
| Model No. | Tube I.D. | Cone & Flat Cutter Set (9) |
Arm | Universal Joint | |
| inch | mm | Model | Model | Model | |
| SA-16 | 2 | 51.0 | SAFC-1 | SAA-1 | SAUJ-1 |
| SA-18 | 2.1/4 | 57.1 | SAFC-2 | SAA-2 | SAUJ-2 |
| SA-20 | 2.1/2 | 63.5 | SAFC-2 | SAA-2 | SAUJ-2 |
| SA-22 | 2.3/4 | 70.0 | SAFC-3 | SAA-2 | SAUJ-2 |
| SA-24 | 3 | 76.2 | SAFC-3 | SAA-2 | SAUJ-2 |
| SA-28 | 3.1/2 | 88.9 | SAFC-4 | SAA-2 | SAUJ-2 |
| SA-32 | 4 | 101.6 | SAFC-5 | SAA-3 | SAUJ-2 |