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- M640 • Weldon® End Mills • Metric
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M640 • Weldon® End Mills • Metric
Weldon® End Mills • Metric
Features and benefits
- Six cutting edges.
- Highly positive rake for low-power machines or light fixtures.
- Geometries and grades for all applications.
Uses and application
Face Milling
Milling - Through Coolant
Shank - Cylindrical Weldon 2 Flat
Insert Selection Guide
| Material Group | Light | General | Heavy | |||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1–P2 | .E..LD | WP40PM | .E..GD | WP40PM | .E..GD | WP40PM |
| P3–P4 | .E..LD | WP25PM | .E..GD | WS40PM | .E..GD | WS40PM |
| P5–P6 | .E..LD | WP25PM | .E..GD | WP25PM | .E..GD | WP25PM |
| M1–M2 | .E..LD | WP25PM | .E..GD | WP25PM | .E..GD | WP25PM |
| M3 | .E..LD | WP40PM | .E..GD | WS30PM | .E..GD | WS30PM |
| K1–K2 | .E..GD | TN6510 | .E..GD | WK15CM | .E..GD | WK15CM |
| K3 | .E..LD | TN6520 | .E..GD | WP25PM | .E..GD | WP25PM |
| N1–N2 | .E..LD | WS40PM | .E..GD | WS40PM | .E..GD | WS40PM |
| N3 | .E..LD | WS40PM | .E..GD | WS40PM | .E..GD | WS40PM |
Recommended Starting Feeds [mm]
| Insert Geometry | Programmed Feed per Tooth (fz) at a % of Radial Depth of Cut (ae) | Insert Geometry | ||||||||||||||
| 5 % | 10 % | 20 % | 30 % | 40 | ||||||||||||
| .F..LDAL | 0,13 | 0,34 | 0,47 | 0,10 | 0,25 | 0,34 | 0,07 | 0,18 | 0,25 | 0,06 | 0,16 | 0,22 | 0,06 | 0,15 | 0,20 | .F..LDAL |
| .E..LD | 0,13 | 0,34 | 0,47 | 0,10 | 0,25 | 0,34 | 0,07 | 0,18 | 0,25 | 0,06 | 0,16 | 0,22 | 0,06 | 0,15 | 0,20 | .E..LD |
| .E..GD | 0,13 | 0,48 | 0,54 | 0,10 | 0,35 | 0,39 | 0,07 | 0,26 | 0,29 | 0,06 | 0,23 | 0,25 | 0,06 | 0,21 | 0,23 | .E..GD |
| Light | General | Heavy |
Recommended Starting Feeds [IPT]
| Insert Geometry | Programmed Feed per Tooth (fz) at a % of Radial Depth of Cut (ae) | Insert Geometry | ||||||||||||||
| 5% | 10% | 20% | 30% | 40 | ||||||||||||
| .F..LDAL | .005 | .013 | .018 | .004 | .010 | .013 | .003 | .007 | .010 | .003 | .006 | .009 | .002 | .006 | .008 | .F..LDAL |
| .E..LD | .005 | .013 | .018 | .004 | .010 | .013 | .003 | .007 | .010 | .003 | .006 | .009 | .002 | .006 | .008 | .E..LD |
| .E..GD | .005 | .019 | .021 | .004 | .014 | .015 | .003 | .010 | .011 | .003 | .009 | .010 | .002 | .008 | .009 | .E..GD |
| Light | General | Heavy |
Recommended Starting Speeds [m/min]
| Material Group | TN6510 | TN6520 | TN6525 | TN6540 | WK15CM | |||||||||||
| P | 1 | – | – | – | – | – | – | 410 | 320 | 280 | 360 | 280 | 240 | – | – | – |
| 2 | – | – | – | – | – | – | 320 | 250 | 215 | 250 | 190 | 170 | – | – | – | |
| 3 | – | – | – | – | – | – | 280 | 215 | 185 | 215 | 170 | 140 | – | – | – | |
| 4 | – | – | – | – | – | – | 235 | 170 | 145 | 180 | 130 | 110 | – | – | – | |
| 5 | – | – | – | – | – | – | 310 | 235 | 200 | 240 | 180 | 150 | – | – | – | |
| 6 | – | – | – | – | – | – | 205 | 160 | 130 | 160 | 120 | 100 | – | – | – | |
| M | 1 | – | – | – | – | – | – | 190 | 120 | 80 | 130 | 80 | 60 | – | – | – |
| 2 | – | – | – | – | – | – | 120 | 80 | 50 | 80 | 50 | 40 | – | – | – | |
| 3 | – | – | – | – | – | – | 125 | 80 | 55 | 85 | 50 | 40 | – | – | – | |
| K | 1 | 480 | 350 | 260 | 450 | 320 | 230 | 275 | 245 | 220 | 220 | 205 | 180 | 505 | 460 | 410 |
| 2 | 420 | 280 | 205 | 390 | 250 | 190 | 215 | 190 | 180 | 175 | 155 | 140 | 400 | 355 | 330 | |
| 3 | 335 | 260 | 200 | 300 | 230 | 160 | 180 | 160 | 145 | 155 | 145 | 125 | 335 | 300 | 275 | |
| N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – | 50 | 35 | 30 | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | 25 | 20 | 10 | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | 70 | 40 | 30 | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | 60 | 30 | 25 | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| Material Group | WP25PM | WP40PM | WS30PM | WS40PM | THM-U | THM | |||||||||||||
| P | 1 | 395 | 340 | 325 | 355 | 310 | 295 | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | 330 | 290 | 240 | 300 | 260 | 215 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | 305 | 260 | 210 | 275 | 235 | 190 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 4 | 270 | 220 | 180 | 245 | 205 | 160 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 5 | 220 | 205 | 180 | 205 | 185 | 160 | – | – | – | 205 | 175 | 145 | – | – | – | – | – | – | |
| 6 | 200 | 150 | 120 | 180 | 140 | 110 | – | – | – | 180 | 130 | 95 | – | – | – | – | – | – | |
| M | 1 | 245 | 215 | 200 | 235 | 205 | 185 | 270 | 240 | 220 | 250 | 205 | 170 | – | – | – | – | – | – |
| 2 | 220 | 190 | 155 | 210 | 180 | 150 | 245 | 215 | 175 | 215 | 175 | 145 | – | – | – | – | – | – | |
| 3 | 170 | 145 | 115 | 155 | 140 | 110 | 185 | 160 | 125 | 175 | 130 | 100 | – | – | – | – | – | – | |
| K | 1 | 275 | 245 | 220 | – | – | – | – | – | – | – | – | – | 230 | 205 | 180 | 145 | 110 | 90 |
| 2 | 215 | 190 | 180 | – | – | – | – | – | – | – | – | – | – | – | – | 150 | 120 | 85 | |
| 3 | 180 | 160 | 145 | – | – | – | – | – | – | – | – | – | – | – | – | 155 | 115 | 70 | |
| N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 2400 | 1440 | 1200 | 1080 | 720 | 600 |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | 1640 | 980 | 800 | 820 | 560 | 460 | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | 960 | 600 | 480 | 540 | 335 | 240 | |
| S | 1 | 50 | 40 | 30 | 50 | 40 | 35 | 55 | 50 | 35 | 50 | 40 | 30 | – | – | – | – | – | – |
| 2 | 50 | 40 | 30 | 50 | 40 | 35 | 55 | 50 | 35 | 50 | 40 | 30 | – | – | – | – | – | – | |
| 3 | 60 | 50 | 30 | 60 | 50 | 35 | 65 | 55 | 35 | 60 | 50 | 30 | – | – | – | – | – | – | |
| 4 | 85 | 60 | 40 | 80 | 60 | 40 | 100 | 70 | 50 | 70 | 60 | 35 | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
Recommended Starting Speeds [SFM]
| Material Group | WK15CM | WP25PM | WP40PM | WS30PM | WS40PM | |||||||||||
| P | 1 | – | – | – | 1295 | 1120 | 1060 | 1165 | 1025 | 965 | – | – | – | 915 | 800 | 750 |
| 2 | – | – | – | 1080 | 940 | 785 | 985 | 845 | 710 | – | – | – | 770 | 670 | 555 | |
| 3 | – | – | – | 1000 | 845 | 690 | 905 | 770 | 630 | – | – | – | 705 | 605 | 490 | |
| 4 | – | – | – | 890 | 725 | 590 | 805 | 670 | 535 | – | – | – | 635 | 520 | 425 | |
| 5 | – | – | – | 725 | 670 | 590 | 670 | 610 | 535 | – | – | – | 520 | 455 | 425 | |
| 6 | – | – | – | 650 | 490 | 395 | 590 | 450 | 355 | – | – | – | 455 | 360 | 275 | |
| M | 1 | – | – | – | 805 | 710 | 650 | 770 | 670 | 610 | 890 | 785 | 725 | 850 | 620 | 375 |
| 2 | – | – | – | 725 | 630 | 510 | 690 | 590 | 490 | 805 | 710 | 570 | 750 | 555 | 340 | |
| 3 | – | – | – | 550 | 475 | 370 | 510 | 450 | 355 | 610 | 535 | 415 | 620 | 455 | 260 | |
| K | 1 | 1655 | 1520 | 1340 | 905 | 805 | 725 | – | – | – | – | – | – | – | – | – |
| 2 | 1320 | 1165 | 1080 | 710 | 630 | 590 | – | – | – | – | – | – | – | – | – | |
| 3 | 1105 | 985 | 905 | 590 | 535 | 475 | – | – | – | – | – | – | – | – | – | |
| N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 3525 | 3100 | 3100 |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | 3100 | 2870 | 2770 | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | 2870 | 2490 | 2490 | |
| S | 1 | – | – | – | 155 | 140 | 95 | 155 | 140 | 120 | 180 | 155 | 120 | 200 | 145 | 85 |
| 2 | – | – | – | 155 | 140 | 95 | 155 | 140 | 120 | 180 | 155 | 120 | 180 | 130 | 85 | |
| 3 | – | – | – | 200 | 155 | 95 | 200 | 155 | 120 | 215 | 180 | 120 | 205 | 150 | 95 | |
| 4 | – | – | – | 275 | 200 | 140 | 260 | 200 | 140 | 335 | 235 | 155 | 295 | 215 | 135 | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| Material Group | THM | THM-U | TN6510 | TN6520 | TN6525 | TN6540 | |||||||||||||
| P | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 1340 | 1045 | 925 | 1180 | 925 | 785 |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | 1045 | 830 | 710 | 830 | 630 | 550 | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | 925 | 710 | 610 | 710 | 550 | 450 | |
| 4 | – | – | – | – | – | – | – | – | – | – | – | – | 770 | 550 | 475 | 590 | 430 | 355 | |
| 5 | – | – | – | – | – | – | – | – | – | – | – | – | 1025 | 770 | 650 | 785 | 590 | 490 | |
| 6 | – | – | – | – | – | – | – | – | – | – | – | – | 670 | 535 | 430 | 535 | 395 | 335 | |
| M | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 630 | 395 | 260 | 430 | 260 | 200 |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | 395 | 260 | 155 | 260 | 155 | 140 | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | 415 | 260 | 180 | 275 | 155 | 140 | |
| K | 1 | 475 | 355 | 295 | 750 | 670 | 590 | 1570 | 1140 | 845 | 1475 | 1045 | 750 | 905 | 805 | 725 | 725 | 670 | 590 |
| 2 | 490 | 395 | 275 | – | – | – | 1380 | 925 | 670 | 1280 | 830 | 630 | 710 | 630 | 590 | 570 | 510 | 450 | |
| 3 | 510 | 370 | 235 | – | – | – | 1105 | 845 | 650 | 985 | 750 | 535 | 590 | 535 | 475 | 510 | 475 | 415 | |
| N | 1 | 3540 | 2365 | 1970 | 7870 | 4720 | 3935 | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | 2695 | 1830 | 1520 | 5370 | 3210 | 2615 | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | 1770 | 1105 | 785 | 3150 | 1970 | 1570 | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 155 | 120 | 95 |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 80 | 60 | 40 | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 235 | 140 | 95 | |
| 4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 200 | 95 | 80 | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |