Place cutter inside hole, bring back against inner wall, follow aroung contour of hole letting the neck act as a guide. All have a safe nose and cut on the 45° back angle.
| TOOL NO. | TUBE O.D. | TUBE I.D. |
| 7/32-IAD | 7/32 | .109 |
| 1/4-IAD | 1/4 | .125 |
| 5/16-IAD | 5/16 | .156 |
| 3/8-IAD | 3/8 | .187 |
| 7/16-IAD | 7/16 | .250 |
| 1/2-IAD | 1/2 | .250 |
| TOOL NO. | TUBE O.D. | TUBE I.D. |
| 7/32-IAD-W | 7/32 | .109 |
| 1/4-IAD-W | 1/4 | .125 |
| 5/16-IAD-W | 5/16 | .156 |
| 3/8-IAD-W | 3/8 | .187 |
| 7/16-IAD-W | 7/16 | .250 |
| 1/2-IAD-W | 1/2 | .250 |