
Internal grooving GH/GHU type
GH/GHU
| Carbon steel / Alloy steel | T | | P |
| Stainless steel | Q | | M |
| Cast iron | | Q | N O K |
| Non-ferrous metals | | Q | N |
| Titanium alloy | | Q | S |
| Hard materials (~40 HRC) | N | | |
| | | H |
| Hard materials (40 HRC ~) | | | O N |
| | Dimension (mm) | Tolerance | | Carbide Ceramic Cermet | |
| | | | | CVD PVD - PVD - | - |
| Insert | Description | | | | | |
| | | CW | CW | | |
GH 4020-02 0.2 N N N N
2 4 7.5 20 - 0.05 + 0.05
| 4020-05 | 0.5 | N N | N N | KIGHR4532B-4 |
| | | | KIGH&5540B-4 |
| GH 4520-02 | 0.2 | | N | KIGH&6550B-4 |
2 4.5 7.5 20 - 0.05 + 0.05
| G | 4520-05 | 0.5 | | N |
| GH 5020-02 | 0.2 | N N | N N |
2 5 7.5 20 - 0.05 + 0.05
| 5020-05 | 0.5 | N N | N N |
| GH 5520-02 | 0.2 | | N |
2 5.5 7.5 20 - 0.05 + 0.05 KIGHR4532B-5
| 3° | | 5520-05 | 0.5 | | N | |
| | | | | | KIGH&5540B-5 |
| INSL | GH 6020-02 | 0.2 | N N | N N | KIGH&6550B-5 |
CW±0.05 3° 6 RE 2 6 7.5 20 - 0.05 + 0.05
| 6020-05 | 0.5 | N N | N N |
| 5° | GH 6520-02 | 0.2 | | N |
120° 2 6.5 7.5 20 - 0.05 + 0.05
| 6520-05 | 0.5 | | N |
| GH 7020-02 | 0.2 | N N | N N |
2 7 7.5 20 - 0.05 + 0.05
| 7020-05 | 0.5 | N N | N N | |
| GH 7520-02 | 0.2 | | N | KIGHR5540B-7 |
2 7.5 7.5 20 - 0.05 + 0.05
| 7520-05 | 0.5 | | N | KIGH&6550B-7 |
| GH 8020-02 | 0.2 | N N | N N | |
2 8 7.5 20 - 0.05 + 0.05
| 8020-05 | 0.5 | N N | N N | |
| | | | KIGHR4532B-4 |
| GH 4020-05 | T01020 | 2 | 4 | 7.5 | 0.5 | 20 | - 0.05 + 0.05 | NNN KIGH&5540B-4 | |
| | | | | | | | | KIGH&6550B-4 | |
| 3˚ | | | | | | | | | | |
| GH 5020-05 | T01020 | 2 | 5 | 7.5 | 0.5 | 20 | - 0.05 + 0.05 | NNN KIGHR4532B-5 | |
| 3˚ | RE | | | | | | | | | |
| INSL | | | | | | | | | & |
| | | | | | | | | KIGH | 5540B-5 |
| GH 6020-05 | T01020 | 2 | 6 | 7.5 | 0.5 | 20 | - 0.05 + 0.05 | KIGH&6550B-5 | |
| | | | | | | | | N N | |
| 5˚ | 120˚ | | | | | | | | | |
| GH 7020-05 | T01020 | 2 | 7 | 7.5 | 0.5 | 20 | - 0.05 + 0.05 | KIGHR5540B-7 | |
| | | | | | | | | N | & |
| | | | | | | | | KIGH | 6550B-7 |
| | | | | | | | | KIGHR4532B-4 | |
| GHU 40-20 | | 2 | 4 | 7.5 | 0.25 | 20 | - 0.05 + 0.05 N | N KIGH&5540B-4 | |
| 3° | | | | | | | | | KIGH&6550B-4 | |
| RE | | | | | | | | | |
| CW±0.05 3° | INSL | | | | | | | | | |
| 10° | GHU 50-20 | | 2 | 5 | 7.5 | 0.3 | 20 | - 0.05 + 0.05 N | N | |
| | | | | | | | | KIGHR4532B-5 | |
GHU 60-20 2 6 7.5 0.3 20 - 0.05 + 0.05 KIGH&6550B-5
Molded Chipbreaker N N