
| Work Material | Work Hardness | Recommende | d Recommended | vcCutting Speed | fzFee | dRate (mm/rev) | -Max.> | ||
| HB | Breaker | Insert Grade | (m/min) | ø16.0 | ø20.0,ø25.0 | ø32.0 | ø40.0 | ||
| Steel, Carbon Steel SS400 | 125 | G | ACP300 | 120-180-240 | 0.05-0.07-0.10 | 0.05-0.07-0.10 | 0.05-0.07-0.10 | 0.05-0.08-0.10 | |
| S15C | 125 | L | ACP300 | 130-170-220 | 0.04-0.07-0.09 | 0.04-0.07-0.09 | 0.04-0.07-0.09 | 0.05-0.08-0.10 | |
| S45C | 190 | G | ACP300 | 100-150-200 | 0.08-0.11-0.17 | 0.08-0.11-0.17 | 0.08-0.12-0.18 | 0.09-0.14-0.21 | |
| S45C Hardened | 250 | G | ACP100 | 100-170-240 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.11 | 0.05-0.08-0.11 | |
| S75C | 270 | G | ACP100 | 120-180-240 | 0.06-0.08-0.11 | 0.06-0.08-0.11 | 0.06-0.09-0.13 | 0.07-0.11-0.14 | |
| P | S75C Hardened | 300 | G | ACP100 | 85-150-210 | 0.05-0.07-0.09 | 0.05-0.07-0.09 | 0.05-0.08-0.10 | 0.05-0.08-0.11 |
| Low Alloy Steel SCM,SNCM | 180 | L | ACP300 | 100-140-180 | 0.05-0.07-0.10 | 0.05-0.07-0.10 | 0.05-0.07-0.11 | 0.06-0.08-0.12 | |
| SCM,SNCM Hardened | 275 | G | ACP100 | 100-170-240 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.11 | |
| SCM,SNCM Hardened | 300 | G | ACP100 | 90-150-210 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.11 | |
| 3D | SCM,SNCM Hardened | 350 | G | ACP100 | 75-120-165 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.11 |
| High Alloy Steel SKD,SKT,SKH | 200 | G | ACP100 | 120-180-240 | 0.06-0.10-0.13 | 0.07-0.11-0.14 | 0.07-0.11-0.15 | 0.08-0.12-0.16 | |
| SKD,SKT,SKH Hardened | 325 | G | ACP100 | 100-140-180 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.10 | 0.05-0.08-0.11 | |
| Stainless Steel SUS403, Others (Martensite/Ferrite) | 200 | G | ACP300 | 100-140-180 | 0.06-0.10-0.13 | 0.06-0.10-0.13 | 0.06-0.10-0.14 | 0.07-0.11-0.15 | |
| M | SUS403, Others Martensitic (Hardened) | 240 | G | ACP300 | 90-120-150 | 0.06-0.10-0.13 | 0.06-0.10-0.13 | 0.06-0.10-0.14 | 0.07-0.11-0.15 |
| SUS304, SUS316 Austenitic | 180 | G | ACP300 | 100-140-180 | 0.06-0.10-0.13 | 0.06-0.10-0.13 | 0.06-0.10-0.14 | 0.07-0.11-0.15 | |
| K | GrayCast Iron | H | ACK300 | 120-160-200 | 0.09-0.17-0.23 | 0.10-0.19-0.26 | 0.11-0.21-0.28 | 0.12-0.23-0.31 | |
| Ductile Cast Iron | H | ACK300 | 90-120-150 | 0.09-0.17-0.23 | 0.10-0.19-0.26 | 0.11-0.21-0.28 | 0.12-0.23-0.31 | ||
| S | Exotic Alloy (Heat Resistant Alloy, Super Alloy, Ti Alloy, etc.) | 200 | G | ACP300 | 25-50- 70 | 0.06-0.10-0.13 | 0.06-0.10-0.13 | 0.06-0.10-0.14 | 0.07-0.11-0.15 |
| N | Aluminum Alloy | G | DL1500 | 200-260-320 | 0.05-0.10-0.15 | 0.05-0.10-0.15 | 0.06-0.11-0.16 | 0.06-0.12-0.18 | |
| Copper Alloy | G | DL1500 | 180-230-280 | 0.05-0.10-0.15 | 0.05-0.10-0.15 | 0.06-0.11-0.16 | 0.06-0.12-0.18 |
With P and K, ACP100 is the second recommended insert grade when the first recommended insert grade is ACP300 or ACK300. A guide for the recommended cutting conditions when using the second recommended insert grade is to set cutting speed Vc to 130% and feed rate f to 75% of the values in the above table.
| Work Material | Work Hardness | Recommende | d Recommended | vcCutting Speed | fzFee | dRate (mm/rev) | -Max.> | ||
| HB | Breaker | Insert Grade | (m/min) | ø16.0 | ø20.0,ø25.0 | ø32.0 | ø40.0 | ||
| Steel, Carbon Steel SS400 | 125 | G | ACP300 | 120-180-240 | 0.05-0.06-0.09 | 0.05-0.06-0.09 | 0.05-0.06-0.09 | 0.05-0.07-0.09 | |
| S15C | 125 | L | ACP300 | 130-170-220 | 0.04-0.06-0.08 | 0.04-0.06-0.08 | 0.04-0.06-0.08 | 0.05-0.07-0.09 | |
| S45C | 190 | G | ACP300 | 100-150-200 | 0.07-0.10-0.15 | 0.07-0.10-0.15 | 0.08-0.11-0.17 | 0.09-0.12-0.19 | |
| S45C Hardened | 250 | G | ACP100 | 100-170-240 | 0.04-0.07-0.08 | 0.04-0.07-0.08 | 0.05-0.07-0.09 | 0.05-0.08-0.11 | |
| S75C | 270 | G | ACP100 | 120-180-240 | 0.05-0.08-0.11 | 0.05-0.08-0.11 | 0.06-0.08-0.11 | 0.07-0.09-0.13 | |
| P | S75C Hardened | 300 | G | ACP100 | 85-150-210 | 0.04-0.07-0.08 | 0.04-0.07-0.08 | 0.05-0.07-0.09 | 0.05-0.08-0.10 |
| Low Alloy Steel SCM,SNCM | 180 | L | ACP300 | 100-140-180 | 0.05-0.06-0.09 | 0.05-0.06-0.09 | 0.05-0.06-0.10 | 0.05-0.07-0.11 | |
| SCM,SNCM Hardened | 275 | G | ACP100 | 100-170-240 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.05-0.07-0.10 | |
| SCM,SNCM Hardened | 300 | G | ACP100 | 90-150-210 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.05-0.07-0.10 | |
| 5D | SCM,SNCM Hardened | 350 | G | ACP100 | 75-120-165 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.05-0.07-0.10 |
| High Alloy Steel SKD,SKT,SKH | 200 | G | ACP100 | 120-180-240 | 0.05-0.08-0.12 | 0.06-0.09-0.12 | 0.06-0.09-0.13 | 0.07-0.10-0.14 | |
| SKD,SKT,SKH Hardened | 325 | G | ACP100 | 100-140-180 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | 0.04-0.06-0.09 | |
| Stainless Steel SUS403, Others (Martensite/Ferrite) | 200 | G | ACP300 | 100-140-180 | 0.05-0.09-0.11 | 0.05-0.09-0.11 | 0.06-0.09-0.12 | 0.06-0.10-0.14 | |
| M | SUS403, Others Martensitic (Hardened) | 240 | G | ACP300 | 90-120-150 | 0.05-0.09-0.11 | 0.05-0.09-0.11 | 0.06-0.09-0.12 | 0.06-0.10-0.14 |
| SUS304, SUS316 Austenitic | 180 | G | ACP300 | 100-140-180 | 0.05-0.09-0.11 | 0.05-0.09-0.11 | 0.06-0.09-0.12 | 0.06-0.10-0.14 | |
| K | GrayCast Iron | H | ACK300 | 120-160-200 | 0.08-0.15-0.21 | 0.09-0.17-0.23 | 0.09-0.18-0.25 | 0.11-0.20-0.28 | |
| Ductile Cast Iron | H | ACK300 | 90-120-150 | 0.08-0.15-0.21 | 0.09-0.17-0.23 | 0.09-0.18-0.25 | 0.11-0.20-0.28 | ||
| S | Exotic Alloy (Heat Resistant Alloy, Super Alloy, Ti Alloy, etc.) | 200 | G | ACP300 | 25-50- 70 | 0.05-0.09-0.11 | 0.05-0.09-0.11 | 0.06-0.09-0.12 | 0.06-0.10-0.14 |
| N | Aluminum Alloy | G | DL1500 | 200-260-320 | 0.05-0.10-0.15 | 0.05-0.10-0.15 | 0.06-0.11-0.16 | 0.06-0.12-0.18 | |
| Copper Alloy | G | DL1500 | 180-230-280 | 0.05-0.10-0.15 | 0.05-0.10-0.15 | 0.06-0.11-0.16 | 0.06-0.12-0.18 |
Indexable With P and K, ACP100 is the second recommended insert grade when the first recommended insert grade is ACP300 or ACK300. Reamer A guide for the recommended cutting conditions when using the second recommended insert grade is to set cutting speed Vc to 130% and feed rate f to 75% of the values in the above table. Brazed Others