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| Material Number | 1920386 |
| ISO Catalog ID | MDHX1004ZDFRGD4W |
| ANSI Catalog ID | MDHX1004ZDFRGD4W |
| Grade | KTPK20 |
| [D] Insert IC Size | 12.7 mm |
| [D] Insert IC Size | 0.5 in |
| [S] Insert Thickness | 4.76 mm |
| [S] Insert Thickness | 0.1874 in |
| [BS] Corner Facet Length | 4.231 mm |
| [BS] Corner Facet Length | 0.1666 in |
| Average Chip Thickness [HM] | 0.02 mm |
| Average Chip Thickness [HM] | 0.0008 in |
| Cutting Edges per Insert | 4 |
Grades
KTPK20
Cermet with PVD-TiAlN/AlCrN multi-layer coating. This tough cermet is primarily used in light and general machining of steel, stainless steels, and cast irons. Performs best dry.
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 | ||||||||||||||
| 5% | 10% | 20% | 30% | 40–100% | ||||||||||||
| .F..GD4W | 0,23 | 0,84 | 1,41 | 0,17 | 0,60 | 1,01 | 0,13 | 0,45 | 0,75 | 0,11 | 0,39 | 0,66 | 0,10 | 0,36 | 0,60 | .F..GD4W |
| .E..GD4W | 0,26 | 0,93 | 1,67 | 0,19 | 0,67 | 1,19 | 0,14 | 0,50 | 0,88 | 0,12 | 0,44 | 0,77 | 0,11 | 0,40 | 0,70 | .E..GD4W |
| .E..GD | 0,26 | 1,03 | 1,90 | 0,19 | 0,74 | 1,35 | 0,14 | 0,55 | 1,00 | 0,12 | 0,48 | 0,87 | 0,11 | 0,44 | 0,80 | .E..GD |
| 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% | ||||||||||||
| .F..GD4W | .004 | .005 | .007 | .003 | .004 | .005 | .003 | .003 | .004 | .003 | .003 | .004 | .003 | .003 | .004 | .F..GD4W |
| .E..GD4W | .005 | .006 | .008 | .004 | .005 | .006 | .003 | .004 | .005 | .003 | .004 | .005 | .003 | .004 | .005 | .E..GD4W |
| .E..GD | .005 | .006 | .008 | .004 | .005 | .006 | .003 | .004 | .005 | .003 | .004 | .005 | .003 | .004 | .005 | .E..GD |
| Light | General | Heavy |
| Material Group | K110M | KC520M | KTPK20 | |||||||
| P | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| 5 | – | – | – | – | – | – | – | – | – | |
| 6 | – | – | – | – | – | – | – | – | – | |
| M | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| K | 1 | 155 | 145 | 135 | 325 | 295 | 260 | 275 | 235 | 195 |
| 2 | 135 | 130 | 120 | 255 | 225 | 215 | 220 | 180 | 160 | |
| 3 | 120 | 105 | 95 | 215 | 190 | 170 | 185 | 150 | 130 | |
| N | 1–2 | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – |
| Material Group | K110M | KC520M | KTPK20 | |||||||
| P | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| 5 | – | – | – | – | – | – | – | – | – | |
| 6 | – | – | – | – | – | – | – | – | – | |
| M | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| K | 1 | 510 | 480 | 450 | 1060 | 960 | 850 | 910 | 770 | 640 |
| 2 | 450 | 420 | 390 | 830 | 740 | 700 | 720 | 590 | 520 | |
| 3 | 400 | 350 | 310 | 700 | 620 | 560 | 600 | 500 | 420 | |
| N | 1–2 | 1980 | 1860 | 1770 | – | – | – | – | – | – |
| 3 | 1620 | 1440 | 1260 | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – |
| Material Group | Light | General | Heavy | |||
| (Light geometry) | – | (Strong geometry) | ||||
| wear |  | toughness | ||||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1–P2 | – | – | – | – | – | – |
| P3–P4 | – | – | – | – | – | – |
| P5–P6 | – | – | – | – | – | – |
| M1–M2 | – | – | – | – | – | – |
| M3 | – | – | – | – | – | – |
| K1–K2 | .F..GD4W | KC520M | .E..GD4W | KC520M | .E..GD | KC520M |
| K3 | .F..GD4W | KC520M | .E..GD4W | KC520M | .E..GD | KC520M |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | – | – | – | – | – | – |
| S3 | – | – | – | – | – | – |
| S4 | – | – | – | – | – | – |
| H1 | – | – | – | – | – | – |
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