HARVI™ Ultra 8X • Helical Mill • SNHJ12 • Taper Flange Mount • For Corner Radius .188" to .250" (4,8 mm-6,4mm) • Inch
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HARVI™ Ultra 8X • Helical Mill • SNHJ12 • Taper Flange Mount • For Corner Radius .188" to .250" (4,8 mm-6,4mm) • Inch
Shoulder milling cutter for steel, stainless steel, and high-temperature alloys.
Material Number104202319
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Features and benefits
- Accomodates inserts with corner radii from .188" - .250" (4,8-6,4mm) in the lead row.
- Designed for aerospace airframe structural component machining, targeting maximum metal removal rates (MRR).
- Adjustable coolant nozzles support chip evacuation and control heat in the cutting zone.
- Large helix ensures hassle-free chip evacuation event at highest metal removal rates (MRR).
Slotting: Shoulder Profiling
Slotting: Shoulder
Shank: Flange Mount Milling
Side Milling/Shoulder Milling: Square End
Side Milling/Shoulder Milling: Eased Chamfer
Milling - Through Coolant
Pocketing
Insert Selection Guide
| HARVI™ Ultra 8X • Insert Selection Guide II - using inserts KSSM8+ (SNPJ12-GD) | ||||||
| Material Group | Light | General | Heavy | |||
| – | (Light geometry) | – | (Strong geometry) | |||
| – | wear |  | toughness | |||
| – | Geometry | Grade | Geometry | Grade | Geometry | Grade |
| P1–P2 | .S..GD | KCPK30 | .S..GD | KCPK30 | .S..GD | KCPM40 |
| P3–P4 | .S..GD | KCPK30 | .S..GD | KCPK30 | .S..GD | KCPM40 |
| P5–P6 | .S..GD | KCPK30 | .S..GD | KCPK30 | .S..GD | KCPM40 |
| M1–M2 | .S..GD | KCPK30 | .S..GD | KCPK30 | .S..GD | KCPM40 |
| M3 | .S..GD | KCPK30 | .S..GD | KCPK30 | .S..GD | KCPM40 |
| K1–K2 | .S..GD | KCK20B | .S..GD | KCK20B | .S..GD | KCK15 |
| K3 | .S..GD | KCK20B | .S..GD | KCK20B | .S..GD | KCK20B |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | – | – | – | – | – | – |
| S3 | – | – | – | – | – | – |
| S4 | – | – | – | – | – | – |
| H1 | – | – | – | – | – | – |
| HARVI™ Ultra 8X • Insert Selection Guide I | ||||||
| Material Group | Light | General | Heavy | |||
| – | (Light geometry) | – | (Strong geometry) | |||
| – | wear | | toughness | |||
| – | Geometry | Grade | Geometry | Grade | Geometry | Grade |
| P1–P2 | .E..LEH | KCSM40 | .E..LEH | KCSM40 | .S..GDH | KCSM40 |
| P3–P4 | .E..LEH | KCSM40 | .E..LEH | KCSM40 | .S..GDH | KCSM40 |
| P5–P6 | .E..LEH | KCSM40 | .E..LEH | KCSM40 | .S..GDH | KCSM40 |
| M1–M2 | .E..LEH | KCSM40 | .E..LEH | KCSM40 | .S..GDH | KCSM40 |
| M3 | .E..LEH | KCSM40 | .S..GDH | KCSM40 | .S..GDH | KCSM40 |
| K1–K2 | – | – | – | – | – | – |
| K3 | – | – | – | – | – | – |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | .E..LEH | KCSM40 | .E..LEH | KCSM40 | .S..GDH | KCSM40 |
| S3 | .E..LEH | KCSM40 | .S..GDH | KCSM40 | .S..GDH | KCSM40 |
| S4 | .E..LEH | KCSM40 | .S..GDH | KCSM40 | .S..GDH | KCSM40 |
| H1 | – | – | – | – | – | – |
Recommended Starting Feeds [IPT]
| HARVI™ Ultra 8X • Recommended Starting Feeds [IPT] | ||||||||||||
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | |||||||||||
| 10% | 20% | 30% | 40–100% | |||||||||
| L | M | H | L | M | H | L | M | H | L | M | H | |
| HARVI Ultra 8X - SNHJ....E..LEH | 0.004 | 0.007 | 0.008 | 0.003 | 0.005 | 0.006 | 0.002 | 0.004 | 0.005 | 0.002 | 0.004 | 0.005 |
| HARVI Ultra 8X - SNHJ....S..GDH | 0.005 | 0.008 | 0.010 | 0.004 | 0.006 | 0.008 | 0.003 | 0.005 | 0.007 | 0.003 | 0.005 | 0.006 |
| KSSM8+ - SNPJ…..S..GD | 0.007 | 0.015 | 0.023 | 0.005 | 0.011 | 0.017 | 0.004 | 0.009 | 0.015 | 0.004 | 0.009 | 0.014 |
| L = Light Machining; M = Medium Machining; H = Heavy Machining NOTE: Use Light Machining values as starting feed rate. | ||||||||||||
Recommended Starting Feeds [mm]
| HARVI™ Ultra 8X • Recommended Starting Feeds [mm/th] | ||||||||||||
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | |||||||||||
| 10% | 20% | 30% | 40–100% | |||||||||
| L | M | H | L | M | H | L | M | H | L | M | H | |
| HARVI Ultra 8X - SNHJ....E..LEH | 0.09 | 0.17 | 0.23 | 0.07 | 0.13 | 0.18 | 0.06 | 0.11 | 0.15 | 0.06 | 0.10 | 0.14 |
| HARVI Ultra 8X - SNHJ....S..GDH | 0.13 | 0.20 | 0.31 | 0.10 | 0.15 | 0.23 | 0.09 | 0.13 | 0.20 | 0.08 | 0.12 | 0.18 |
| KSSM8+ - SNPJ…..S..GD | 0,17 | 0,37 | 0,59 | 0,13 | 0,27 | 0,44 | 0,11 | 0,24 | 0,38 | 0,10 | 0,22 | 0,35 |
| L = Light Machining; M = Medium Machining; H = Heavy Machining NOTE: Use Light Machining values as starting feed rate. | ||||||||||||
| HARVI™ Ultra 8X • Recommended Starting Speed [SFM] | |||||||||||||||||||
| Grade | KC725M | KCK15 | KCPK30 | KCK20B | KCPM40 | KCSM40 | |||||||||||||
| Chip Thickness hex Inch | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | |||||||
| Material Group | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | |
| P | 1 | 855 | 755 | 705 | – | – | – | 1495 | 1295 | 1215 | – | – | – | 970 | 855 | 805 | 1150 | 1050 | 985 |
| 2 | 720 | 625 | 525 | – | – | – | 920 | 835 | 755 | – | – | – | 820 | 705 | 590 | 985 | 885 | 720 | |
| 3 | 655 | 560 | 460 | – | – | – | 835 | 755 | 675 | – | – | – | 755 | 640 | 525 | 920 | 785 | 640 | |
| 4 | 590 | 490 | 395 | – | – | – | 740 | 605 | 525 | – | – | – | 675 | 560 | 445 | 785 | 675 | 540 | |
| 5 | 490 | 445 | 395 | – | – | – | 625 | 560 | 490 | – | – | – | 560 | 510 | 445 | 655 | 590 | 525 | |
| 6 | 425 | 330 | 260 | – | – | – | 525 | 445 | 360 | – | – | – | 490 | 375 | 295 | 590 | 460 | 330 | |
| M | 1 | 560 | 490 | 445 | – | – | – | 675 | 605 | 510 | – | – | – | 640 | 560 | 510 | 855 | 690 | 605 |
| 2 | 510 | 425 | 360 | – | – | – | 605 | 525 | 460 | – | – | – | 575 | 490 | 410 | 770 | 590 | 475 | |
| 3 | 375 | 330 | 260 | – | – | – | 475 | 425 | 375 | – | – | – | 425 | 375 | 295 | 575 | 475 | 360 | |
| K | 1 | – | – | – | 1380 | 1265 | 1115 | 970 | 870 | 785 | 1180 | 950 | 805 | – | – | – | – | – | – |
| 2 | – | – | – | 1100 | 970 | 900 | 770 | 690 | 625 | 920 | 755 | 640 | – | – | – | – | – | – | |
| 3 | – | – | – | 920 | 820 | 755 | 640 | 575 | 525 | 690 | 575 | 460 | – | – | – | – | – | – | |
| N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | 115 | 100 | 80 | – | – | – | – | – | – | – | – | – | 130 | 115 | 100 | 165 | 130 | 80 |
| 2 | 115 | 100 | 80 | – | – | – | – | – | – | – | – | – | 130 | 115 | 100 | 180 | 130 | 80 | |
| 3 | 150 | 115 | 80 | – | – | – | – | – | – | – | – | – | 165 | 130 | 100 | 215 | 150 | 100 | |
| 4 | 165 | 150 | 100 | – | – | – | 165 | 150 | 115 | – | – | – | 180 | 165 | 115 | 245 | 195 | 130 | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| As the average chip thickness increases, speed should be decreased. Material groups P, M, K and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining. | |||||||||||||||||||
| HARVI™ Ultra 8X • Recommended Starting Speed [m/min] | |||||||||||||||||||
| Grade | KC725M | KCK15 | KCPK30 | KCK20B | KCPM40 | KCSM40 | |||||||||||||
| Chip Thickness hex mm | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | |||||||
| Material Group | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | Max | Start | Min | |
| P | 1 | 260 | 230 | 215 | – | – | – | 455 | 395 | 370 | – | – | – | 295 | 260 | 245 | 350 | 320 | 300 |
| 2 | 220 | 190 | 160 | – | – | – | 280 | 255 | 230 | – | – | – | 250 | 215 | 180 | 300 | 270 | 220 | |
| 3 | 200 | 170 | 140 | – | – | – | 255 | 230 | 205 | – | – | – | 230 | 195 | 160 | 280 | 240 | 195 | |
| 4 | 180 | 150 | 120 | – | – | – | 225 | 185 | 160 | – | – | – | 205 | 170 | 135 | 240 | 205 | 165 | |
| 5 | 150 | 135 | 120 | – | – | – | 190 | 170 | 150 | – | – | – | 170 | 155 | 135 | 200 | 180 | 160 | |
| 6 | 130 | 100 | 80 | – | – | – | 160 | 135 | 110 | – | – | – | 150 | 115 | 90 | 180 | 140 | 100 | |
| M | 1 | 170 | 150 | 135 | – | – | – | 205 | 185 | 155 | – | – | – | 195 | 170 | 155 | 260 | 210 | 185 |
| 2 | 155 | 130 | 110 | – | – | – | 185 | 160 | 140 | – | – | – | 175 | 150 | 125 | 235 | 180 | 145 | |
| 3 | 115 | 100 | 80 | – | – | – | 145 | 130 | 115 | – | – | – | 130 | 115 | 90 | 175 | 145 | 110 | |
| K | 1 | – | – | – | 420 | 385 | 340 | 295 | 265 | 240 | 360 | 290 | 245 | – | – | – | – | – | – |
| 2 | – | – | – | 335 | 295 | 275 | 235 | 210 | 190 | 280 | 230 | 195 | – | – | – | – | – | – | |
| 3 | – | – | – | 280 | 250 | 230 | 195 | 175 | 160 | 210 | 175 | 140 | – | – | – | – | – | – | |
| N | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | 35 | 30 | 25 | – | – | – | – | – | – | – | – | – | 40 | 35 | 30 | 50 | 40 | 25 |
| 2 | 35 | 30 | 25 | – | – | – | – | – | – | – | – | – | 40 | 35 | 30 | 55 | 40 | 25 | |
| 3 | 45 | 35 | 25 | – | – | – | – | – | – | – | – | – | 50 | 40 | 30 | 65 | 45 | 30 | |
| 4 | 50 | 45 | 30 | – | – | – | 50 | 45 | 35 | – | – | – | 55 | 50 | 35 | 75 | 60 | 40 | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| As the average chip thickness increases, speed should be decreased. Material groups P, M, K and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining. | |||||||||||||||||||