OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling SEC-Plunge Mill PCT Type For 3D / 5D (Internal Coolant Supply) Recommended Cutting Conditions (for 3D) (PCT Type) Work Material WorkpieceHardnessRecommendedRecommendedInsertvc (cutting speed)HBChipbreakerGrade(m/min)fz (feed rate) (mm/rev)  (Min. - Optimum - Max.)ø16.0ø20.0, ø25.0ø32.0ø40.0 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 S75C HardenedPLow-alloy SteelSCM,SNCM 300180 G ACP100  85-150-210 0.05-0.07-0.09 0.05-0.07-0.09 0.05-0.08-0.10 0.05-0.08-0.11LACP300100-140-1800.05-0.07-0.100.05-0.07-0.100.05-0.07-0.110.06-0.08-0.12J 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 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 (Sintered) 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 (Martensitic/Ferritic) 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 Cast 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 K 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, Titanium 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 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 N 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 For the P and K grades for which ACP300 and ACK300 inserts are the first recommendation, ACP100 inserts are the second recommendation. In this case, it is recommended to set the cutting speed (Vc) to 130% and the feed rate (fz) to 75% of the figures in the table above. Recommended Cutting Conditions (for 5D) (PCT Type) Work Material WorkpieceHardnessHBRecommendedChipbreakerRecommendedInsertGradevc (cutting speed)(m/min)fz (feed rate) (mm/rev)  (Min. - Optimum - Max.)ø16.0ø20.0, ø25.0ø32.0ø40.0 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 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 P 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 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 (Sintered) 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 (Martensitic/Ferritic) 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 Cast 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 K 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, Titanium 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 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 N 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 For the P and K grades for which ACP300 and ACK300 inserts are the first recommendation, ACP100 inserts are the second recommendation. In this case, it is recommended to set the cutting speed (Vc) to 130% and the feed rate (fz) to 75% of the figures in the table above. J129