
P Steel
| M | Stainless | C | |
| K | Cast iron | ||
| N | Non-ferrous | ||
| S | Superalloys | : First choice | |
| Hard materials | : Second choice | ||
| H | |||
| Coated | D |
| Designation | PNA | C | ||||
| XHGX090700R-45A | 45 | 2.5 | z | |||
| z: Line up | E |
| Caution in mounting the chamfering tool on the drill body | OK | Match the positions | |
| of fl utes on drill and | |||
| ring. | |||
| Place the ring on the drill body and match the positions of fl utes on drill | (Inserts will be automatically |
and ring. Temporarily clamp the ring with the ring screw tightened lightly. set to the right positions.) F
Place the inserts, and tighten the insert screw lightly. The cutting edge of the insert is in the ring fl ute. Adjust the ring position with a presetter, height gauge, or Vernier caliper,
The fl utes on drill and ring do not match. H