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| Material Number | 1556948 |
| ISO Catalog ID | SPEB090308 |
| ANSI Catalog ID | SPEB322 |
| Grade | KC520M |
| [D] Insert IC Size | 9.525 mm |
| [D] Insert IC Size | 0.375 in |
| [S] Insert Thickness | 3.175 mm |
| [S] Insert Thickness | 0.125 in |
| [L10] Insert Cutting Edge Length | 9.525 mm |
| [L10] Insert Cutting Edge Length | 0.375 in |
| [Rε] Corner Radius | 0.8 mm |
| [Rε] Corner Radius | 0.031 in |
| Average Chip Thickness [HM] | 0.038 mm |
| Average Chip Thickness [HM] | 0.0015 in |
| Cutting Edges per Insert | 4 |
Grades
KC520M
Coated carbide grade with TiAlN coating (PVD). KC520M is a carbide grade developed specifically for general machining of ductile cast iron. This grade can be used with or without coolant.
Create Solution to calculate Feeds and Speeds
After creating a solution just choose the Feeds & Speeds icon and our system will provide recommendations. You can customize the information by adding your machine and specifications or make adjustments using the sliders.
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| SD..3.. | .004 | .013 | .026 | .003 | .009 | .019 | .002 | .008 | .016 | .002 | .008 | .015 | .002 | .008 | .015 | SD..3.. |
| SD..3..T | .007 | .017 | .028 | .005 | .013 | .020 | .004 | .011 | .018 | .004 | .010 | .016 | .004 | .010 | .016 | SD..3..T |
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| SD..26.. | .003 | .007 | .014 | .003 | .005 | .010 | .002 | .004 | .009 | .002 | .004 | .008 | .002 | .004 | .008 | SD..26.. |
| Light | General | Heavy |
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| SP..4.. | .003 | .007 | .014 | .003 | .005 | .010 | .002 | .004 | .009 | .002 | .004 | .008 | .002 | .004 | .008 | SP..4.. |
| SP..4..T | .007 | .017 | .028 | .005 | .013 | .020 | .004 | .011 | .018 | .004 | .010 | .016 | .004 | .010 | .016 | SP..4..T |
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| SP..3.. | .003 | .007 | .014 | .003 | .005 | .010 | .002 | .004 | .009 | .002 | .004 | .008 | .002 | .004 | .008 | SP..3.. |
| SP..3..T | .007 | .017 | .028 | .005 | .013 | .020 | .004 | .011 | .018 | .004 | .010 | .016 | .004 | .010 | .016 | SP..3..T |
| Material Group | KC520M | KC715M | KC725M | KC735M | KCK15 | KCPK30 | |||||||||||||
| P | 1 | – | – | – | 1120 | 980 | 910 | 860 | 750 | 700 | – | – | – | – | – | – | 1485 | 1300 | 1210 |
| 2 | – | – | – | 690 | 620 | 560 | 720 | 630 | 530 | – | – | – | – | – | – | 920 | 830 | 750 | |
| 3 | – | – | – | 620 | 560 | 510 | 660 | 560 | 460 | – | – | – | – | – | – | 830 | 750 | 680 | |
| 4 | – | – | – | 470 | 430 | 390 | 590 | 490 | 390 | – | – | – | – | – | – | 620 | 575 | 520 | |
| 5 | – | – | – | 640 | 570 | 520 | 490 | 440 | 390 | – | – | – | – | – | – | 850 | 760 | 690 | |
| 6 | – | – | – | 390 | 340 | – | 430 | 330 | 260 | – | – | – | – | – | – | 520 | 450 | – | |
| M | 1 | – | – | – | 730 | 640 | 590 | 560 | 490 | 450 | 340 | 290 | 270 | – | – | – | 680 | 600 | 515 |
| 2 | – | – | – | – | – | – | 510 | 430 | 360 | 310 | 280 | 250 | – | – | – | 610 | 530 | 460 | |
| 3 | – | – | – | – | – | – | 380 | 330 | 260 | 230 | 200 | – | – | – | – | 475 | 430 | 380 | |
| K | 1 | 880 | 800 | 710 | – | – | – | – | – | – | – | – | – | 1380 | 1255 | 1115 | 965 | 875 | 780 |
| 2 | 690 | 620 | 580 | – | – | – | – | – | – | – | – | – | 1095 | 975 | 910 | 770 | 690 | 630 | |
| 3 | 580 | 520 | 470 | – | – | – | – | – | – | – | – | – | 920 | 815 | 750 | 645 | 575 | 530 | |
| N | 1–2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | 115 | 100 | 80 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | 115 | 100 | 80 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | 150 | 115 | 80 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | 200 | 150 | 100 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Material Group | KC520M | KC715M | KC725M | KC735M | KCK15 | KCPK30 | |||||||||||||
| P | 1 | – | – | – | 1120 | 980 | 910 | 860 | 750 | 700 | – | – | – | – | – | – | 1485 | 1300 | 1210 |
| 2 | – | – | – | 690 | 620 | 560 | 720 | 630 | 530 | – | – | – | – | – | – | 920 | 830 | 750 | |
| 3 | – | – | – | 620 | 560 | 510 | 660 | 560 | 460 | – | – | – | – | – | – | 830 | 750 | 680 | |
| 4 | – | – | – | 470 | 430 | 390 | 590 | 490 | 390 | – | – | – | – | – | – | 620 | 575 | 520 | |
| 5 | – | – | – | 640 | 570 | 520 | 490 | 440 | 390 | – | – | – | – | – | – | 850 | 760 | 690 | |
| 6 | – | – | – | 390 | 340 | – | 430 | 330 | 260 | – | – | – | – | – | – | 520 | 450 | – | |
| M | 1 | – | – | – | 730 | 640 | 590 | 560 | 490 | 450 | 340 | 290 | 270 | – | – | – | 680 | 600 | 515 |
| 2 | – | – | – | – | – | – | 510 | 430 | 360 | 310 | 280 | 250 | – | – | – | 610 | 530 | 460 | |
| 3 | – | – | – | – | – | – | 380 | 330 | 260 | 230 | 200 | – | – | – | – | 475 | 430 | 380 | |
| K | 1 | 880 | 800 | 710 | – | – | – | – | – | – | – | – | – | 1380 | 1255 | 1115 | 965 | 875 | 780 |
| 2 | 690 | 620 | 580 | – | – | – | – | – | – | – | – | – | 1095 | 975 | 910 | 770 | 690 | 630 | |
| 3 | 580 | 520 | 470 | – | – | – | – | – | – | – | – | – | 920 | 815 | 750 | 645 | 575 | 530 | |
| N | 1–2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | 115 | 100 | 80 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | 115 | 100 | 80 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | 150 | 115 | 80 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | 200 | 150 | 100 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Material Group | Light | General | Heavy | |||
| (Light geometry) | (Strong geometry) | |||||
| wear |  | toughness | ||||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1-P2 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| P3-P4 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| P5-P6 | SD..3.. | KCPK30 | SD..3.. | KCPK30 | SD..3.. | KCPK30 |
| M1-M2 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| M3 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| K1-K2 | SD..3.. | KCK15 | SD..3.. | KCK15 | SD..3.. | KCK15 |
| K3 | SD..3.. | KCPK30 | SD..3.. | KCPK30 | SD..3.. | KCPK30 |
| N1-N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1-S2 | SD..3.. | KC725M | SD..3.. | KC725M | SD..3..T | KC725M |
| S3 | SD..3.. | KC725M | SD..3..T | KC725M | SD..3..T | KC725M |
| S4 | SD..3.. | KC725M | SD..3..T | KC725M | – | – |
| H1 | – | – | – | – | – | – |
| Material Group | Light | General | Heavy | |||
| (Light geometry) | (Strong geometry) | |||||
| wear | | toughness | ||||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1–P2 | SP..3.. | KC715M | SP..3.. | KC725M | SP..3..T | KC725M |
| P3–P4 | SP..3.. | KC725M | SP..3..T | KC715M | SP..3..T | KC725M |
| P5–P6 | SP..3.. | KC735M | SP..3.. | KC735M | SP..3.. | KC735M |
| M1–M2 | SP..3.. | KC735M | SP..3.. | KC725M | SP..3..T | KC725M |
| M3 | SP..3.. | KC735M | SP..3.. | KC725M | SP..3..T | KC725M |
| K1–K2 | SP..3.. | KC520M | SP..3.. | KC520M | SP..3..T | KC520M |
| K3 | SP..3.. | KC520M | SP..3..T | KC520M | SP..3..T | KC520M |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | SP..3.. | KC725M | SP..3.. | KC725M | SP..3..T | KC725M |
| S3 | SP..3.. | KC735M | SP..3.. | KC725M | SP..3..T | KC725M |
| S4 | SP..3.. | KC725M | SP..3..T | KC725M | – | – |
| H1 | – | – | – | – | – | – |
| Material Group | Light | General | Heavy | |||
| (Light geometry) | (Strong geometry) | |||||
| wear | | toughness | ||||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1-P2 | SP..3.. | KC715M | SP..3.. | KC725M | SP..3..T | KC725M |
| P3-P4 | SP..3.. | KC725M | SP..3..T | KC715M | SP..3..T | KC725M |
| P5-P6 | SP..3.. | KC735M | SP..3.. | KC735M | SP..3.. | KC735M |
| M1-M2 | SP..3.. | KC735M | SP..3.. | KC725M | SP..3..T | KC725M |
| M3 | SP..3.. | KC735M | SP..3.. | KC725M | SP..3..T | KC725M |
| K1-K2 | SP..3.. | KC520M | SP..3.. | KC520M | SP..3..T | KC520M |
| K3 | SP..3.. | KC520M | SP..3..T | KC520M | SP..3..T | KC520M |
| N1-N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1-S2 | SP..3.. | KC725M | SP..3.. | KC725M | SP..3..T | KC725M |
| S3 | SP..3.. | KC735M | SP..3.. | KC725M | SP..3..T | KC725M |
| S4 | SP..3.. | KC725M | SP..3..T | KC725M | – | – |
| H1 | – | – | – | – | – | – |
| Material Group | Light | General | Heavy | |||
| (Light geometry) | (Strong geometry) | |||||
| wear | | toughness | ||||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1–P2 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| P3–P4 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| P5–P6 | SD..3.. | KCPK30 | SD..3.. | KCPK30 | SD..3.. | KCPK30 |
| M1–M2 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| M3 | SD..3.. | KC725M | SD..3.. | KCPK30 | SD..3..T | KC725M |
| K1–K2 | SD..3.. | KCK15 | SD..3.. | KCK15 | SD..3.. | KCK15 |
| K3 | SD..3.. | KCPK30 | SD..3.. | KCPK30 | SD..3.. | KCPK30 |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | SD..3.. | KC725M | SD..3.. | KC725M | SD..3..T | KC725M |
| S3 | SD..3.. | KC725M | SD..3..T | KC725M | SD..3..T | KC725M |
| S4 | SD..3.. | KC725M | SD..3..T | KC725M | – | – |
| H1 | – | – | – | – | – | – |
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